Re-organize webcfg structure

WebConfigGenerator/static/manifest.json

@@ -0,0 +1,26 @@
+{
+  "name": "ASF config generator",
+  "short_name": "asf-config",
+  "icons": [
+    {
+      "src": "/static/logo.png",
+      "sizes": "184x184",
+      "type": "image/png"
+    },
+    {
+      "src": "/static/logo-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "/static/logo-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ],
+  "start_url": "/",
+  "display": "fullscreen",
+  "orientation": "portrait",
+  "background_color": "#12100E",
+  "theme_color": "#12100E"
+}