Remove favicons-webpack-plugin (#811)

* Remove favicons-webpack-plugin

* Copy android/* icons to dist

* Add favicon ico

public/manifest.json

@@ -0,0 +1,59 @@
+{
+  "name": "Cinny",
+  "short_name": "Cinny",
+  "description": "Yet another matrix client",
+  "dir": "auto",
+  "lang": "en-US",
+  "display": "standalone",
+  "orientation": "portrait",
+  "start_url": "/",
+  "background_color": "#fff",
+  "theme_color": "#fff",
+  "icons": [
+    {
+      "src": "android-chrome-36x36.png",
+      "sizes": "36x36",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-48x48.png",
+      "sizes": "48x48",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-72x72.png",
+      "sizes": "72x72",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-96x96.png",
+      "sizes": "96x96",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-144x144.png",
+      "sizes": "144x144",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-256x256.png",
+      "sizes": "256x256",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-384x384.png",
+      "sizes": "384x384",
+      "type": "image/png"
+    },
+    {
+      "src": "android-chrome-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}