Update manifest.json

Author: NellowTCS

manifest.json

@@ -2,17 +2,18 @@
   "name": "HTMLRunner",
   "short_name": "HTMLRunner",
   "start_url": "./",
+  "scope": "./",
   "display": "standalone",
   "background_color": "#f5f5f5",
   "theme_color": "#2196F3",
   "icons": [
     {
-      "src": "/HTMLRunner/favicon.png",
+      "src": "./favicon.png",
       "sizes": "192x192",
       "type": "image/png"
     },
     {
-      "src": "/HTMLRunner/favicon.png",
+      "src": "./favicon.png",
       "sizes": "512x512",
       "type": "image/png"
     }