Import the framework.

assets/img/favicons/browserconfig.xml

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+---
+# A part of the Favicons
+# © 2019 Cotes Chung
+# MIT License
+layout: compress
+---
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+  <msapplication>
+    <tile>
+      <square70x70logo src="{{ site.baseurl }}/assets/img/favicons/ms-icon-70x70.png" />
+      <square150x150logo src="{{ site.baseurl }}/assets/img/favicons/ms-icon-150x150.png" />
+      <square310x310logo src="{{ site.baseurl }}/assets/img/favicons/ms-icon-310x310.png" />
+      <TileColor>#ffffff</TileColor>
+    </tile>
+  </msapplication>
+</browserconfig>

assets/img/favicons/manifest.json

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+---
+# A part of the Favicons
+# © 2019 Cotes Chung
+# MIT License
+layout: compress
+---
+
+{
+ "name": "App",
+ "icons": [
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-36x36.png",
+   "sizes": "36x36",
+   "type": "image\/png",
+   "density": "0.75"
+  },
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-48x48.png",
+   "sizes": "48x48",
+   "type": "image\/png",
+   "density": "1.0"
+  },
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-72x72.png",
+   "sizes": "72x72",
+   "type": "image\/png",
+   "density": "1.5"
+  },
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-96x96.png",
+   "sizes": "96x96",
+   "type": "image\/png",
+   "density": "2.0"
+  },
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-144x144.png",
+   "sizes": "144x144",
+   "type": "image\/png",
+   "density": "3.0"
+  },
+  {
+   "src": "{{ site.baseurl }}\/assets\/img\/favicons\/android-icon-192x192.png",
+   "sizes": "192x192",
+   "type": "image\/png",
+   "density": "4.0"
+  }
+ ]
+}