Make serving host more explicit

Author: rartino

serve_dynamic.py

@@ -5,4 +5,4 @@
 from httk.web import serve
 
 ROOT = Path(__file__).parent
-serve(ROOT / "src", port=8080, config_name="config_dynamic")
+serve(ROOT / "src", host="127.0.0.1", port=8080, config_name="config_dynamic")