docs: New favicons and add a service worker

_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),

_includes/scripts.html

@@ -16,6 +16,7 @@
   <script src="{{ site.baseurl }}/assets/js/vendor/clipboard.min.js"></script>
   <script src="{{ site.baseurl }}/assets/js/vendor/holder.min.js"></script>
   <script src="{{ site.baseurl }}/assets/js/src/application.js"></script>
+  <script src="{{ site.baseurl }}/assets/js/src/pwa.js"></script>
 {% endif %}
 
 <script src="{{ site.baseurl }}/assets/js/ie-emulation-modes-warning.js"></script>

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"
+}

assets/js/src/pwa.js

@@ -0,0 +1,15 @@
+/* eslint no-console:off */
+
+(function setupSW() {
+  'use strict'
+
+  if ('serviceWorker' in navigator) {
+    window.addEventListener('load', function () {
+      navigator.serviceWorker.register('/sw.js').then(function (registration) {
+        console.log('ServiceWorker registration successful with scope: ', registration.scope)
+      }).catch(function (err) {
+        console.log('ServiceWorker registration failed: ', err)
+      })
+    })
+  }
+}())

package.json

@@ -36,7 +36,7 @@
     "js-compile-bundle": "shx cat js/src/util.js js/src/alert.js js/src/button.js js/src/carousel.js js/src/collapse.js js/src/dropdown.js js/src/modal.js js/src/scrollspy.js js/src/tab.js js/src/tooltip.js js/src/popover.js | shx sed \"s/^(import|export).*//\" | babel --filename js/src/bootstrap.js | node build/stamp.js > dist/js/bootstrap.js",
     "js-compile-plugins": "babel js/src/ --out-dir js/dist/ --source-maps",
     "js-minify": "uglifyjs --config-file build/uglifyjs.config.json --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
-    "js-minify-docs": "uglifyjs --config-file build/uglifyjs.config.json --output assets/js/docs.min.js assets/js/vendor/anchor.min.js assets/js/vendor/clipboard.min.js assets/js/vendor/holder.min.js assets/js/src/application.js",
+    "js-minify-docs": "uglifyjs --config-file build/uglifyjs.config.json --output assets/js/docs.min.js assets/js/vendor/anchor.min.js assets/js/vendor/clipboard.min.js assets/js/vendor/holder.min.js assets/js/src/application.js assets/js/src/pwa.js",
     "js-test": "phantomjs ./node_modules/qunit-phantomjs-runner/runner.js js/tests/index.html 60",
     "js-test-cloud": "ruby -r webrick -e \"s = WEBrick::HTTPServer.new(:Port => 3000, :DocumentRoot => Dir.pwd, :Logger => WEBrick::Log.new('/dev/null'), :AccessLog => []); trap('INT') { s.shutdown }; s.start\" & grunt saucelabs-qunit",
     "docs": "npm-run-all docs-compile docs-lint",

sw.js

@@ -0,0 +1 @@
+// empty for now