diff --git a/package-lock.json b/package-lock.json
index f29c1f1..82e359c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -583,6 +583,24 @@
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       "dev": true
     },
+    "@types/dotenv": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/dotenv/-/dotenv-6.1.1.tgz",
+      "integrity": "sha512-ftQl3DtBvqHl9L16tpqqzA4YzCSXZfi7g8cQceTz5rOlYtk/IZbFjAv3mLOQlNIgOaylCQWQoBdDQHPgEBJPHg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/engine.io": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/@types/engine.io/-/engine.io-3.1.5.tgz",
+      "integrity": "sha512-DLVpLEGTEZGBXOYoYoagHSxXkDHONc0fZouF2ayw7Q18aRu1Afwci+1CFKvPpouCUOVWP+dmCaAWpQjswe7kpg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/express": {
       "version": "4.16.1",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-4.16.1.tgz",
@@ -658,6 +676,12 @@
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       "dev": true
     },
+    "@types/node": {
+      "version": "11.15.53",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-11.15.53.tgz",
+      "integrity": "sha512-X4K0pwvbFZ7+x5wyJUSROj4TJvyXxL0MY4OaxyphfEfgw+0DdYDltyqTX14LiYTIQdY49sDA/MabdtYc973yFg==",
+      "dev": true
+    },
     "@types/range-parser": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
@@ -674,6 +698,26 @@
         "@types/mime": "*"
       }
     },
+    "@types/socket.io": {
+      "version": "2.1.13",
+      "resolved": "https://registry.npmjs.org/@types/socket.io/-/socket.io-2.1.13.tgz",
+      "integrity": "sha512-JRgH3nCgsWel4OPANkhH8TelpXvacAJ9VeryjuqCDiaVDMpLysd6sbt0dr6Z15pqH3p2YpOT3T1C5vQ+O/7uyg==",
+      "dev": true,
+      "requires": {
+        "@types/engine.io": "*",
+        "@types/node": "*",
+        "@types/socket.io-parser": "*"
+      }
+    },
+    "@types/socket.io-parser": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@types/socket.io-parser/-/socket.io-parser-2.2.1.tgz",
+      "integrity": "sha512-+JNb+7N7tSINyXPxAJb62+NcpC1x/fPn7z818W4xeNCdPTp6VsO/X8fCsg6+ug4a56m1v9sEiTIIUKVupcHOFQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/stack-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-1.0.1.tgz",
@@ -2286,7 +2330,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2307,12 +2352,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2327,17 +2374,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2454,7 +2504,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2466,6 +2517,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2480,6 +2532,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2487,12 +2540,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -2511,6 +2566,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2591,7 +2647,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2603,6 +2660,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2688,7 +2746,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2724,6 +2783,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2743,6 +2803,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2786,12 +2847,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -2910,15 +2973,30 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+          "dev": true
+        }
       }
     },
     "har-schema": {
@@ -4733,24 +4811,6 @@
         "wrappy": "1"
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -6647,12 +6707,6 @@
         "string-width": "^2.1.1"
       }
     },
-    "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-      "dev": true
-    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",