New favicons.

Include everything for most browsers to work including Android.

Kept favicon.ico to the root dir.

Also added a manifest.json for PWA.

_includes/favicons.html

@@ -0,0 +1,9 @@
+<!-- Favicons -->
+<link rel="apple-touch-icon" href="{{ site.baseurl }}/assets/img/favicons/apple-touch-icon.png" sizes="180x180">
+<link rel="icon" href="{{ site.baseurl }}/assets/img/favicons/favicon-32x32.png" sizes="32x32" type="image/png">
+<link rel="icon" href="{{ site.baseurl }}/assets/img/favicons/favicon-16x16.png" sizes="16x16" type="image/png">
+<link rel="manifest" href="{{ site.baseurl }}/assets/img/favicons/manifest.json">
+<link rel="mask-icon" href="{{ site.baseurl }}/assets/img/favicons/safari-pinned-tab.svg" color="#563d7c">
+<link rel="icon" href="{{ site.baseurl }}/favicon.ico">
+<meta name="msapplication-config" content="{{ site.baseurl }}/assets/img/favicons/browserconfig.xml">
+<meta name="theme-color" content="#563d7c">

_includes/header.html

@@ -21,14 +21,10 @@
 
 <!-- Documentation extras -->
 {% if page.layout == "docs" %}
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.css" />
+<link href="https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.css" rel="stylesheet">
 {% endif %}
 <link href="{{ site.baseurl }}/assets/css/docs.min.css" rel="stylesheet">
 
-<!-- Favicons -->
-<link rel="apple-touch-icon" href="{{ site.baseurl }}/apple-touch-icon.png">
-<link rel="icon" href="{{ site.baseurl }}/favicon.ico">
-
 <script>
   (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
   (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),

assets/img/favicons/browserconfig.xml

@@ -0,0 +1,11 @@
+---
+---
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="{{ site.baseurl }}/assets/img/favicons/mstile-150x150.png"/>
+            <TileColor>#563d7c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

assets/img/favicons/manifest.json

@@ -0,0 +1,22 @@
+---
+---
+{
+    "name": "Bootstrap",
+    "short_name": "Bootstrap",
+    "icons": [
+        {
+            "src": "{{ site.baseurl }}/assets/img/favicons/android-chrome-192x192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "{{ site.baseurl }}/assets/img/favicons/android-chrome-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        }
+    ],
+    "start_url": "/",
+    "theme_color": "#563d7c",
+    "background_color": "#563d7c",
+    "display": "standalone"
+}