Add favicons and web manifest (fixes rust-gamedev#52) (rust-gamedev#53)

Author: 17cupsofcoffee

static/android-chrome-192x192.png

@@ -0,0 +1,19 @@
+{
+    "name": "Rust Game Development Working Group",
+    "short_name": "Rust GameDev",
+    "icons": [
+        {
+            "src": "/android-chrome-192x192.png",
+            "sizes": "192x192",
+            "type": "image/png"
+        },
+        {
+            "src": "/android-chrome-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png"
+        }
+    ],
+    "theme_color": "#ffffff",
+    "background_color": "#ffffff",
+    "display": "standalone"
+}

static/android-chrome-512x512.png

@@ -28,6 +28,10 @@
         <meta property="og:site_name" content="{{ config.title | default(value="Minima") }}">
 
         <link rel="stylesheet" href="{{ get_url(path="style.css") }}">
+        <link rel="apple-touch-icon" sizes="180x180" href="{{ get_url(path='apple-touch-icon.png') }}">
+        <link rel="icon" type="image/png" sizes="32x32" href="{{ get_url(path="favicon-32x32.png") }}">
+        <link rel="icon" type="image/png" sizes="16x16" href="{{ get_url(path="favicon-16x16.png") }}">
+        <link rel="manifest" href="{{ get_url(path="site.webmanifest") }}">
 
         {% if config.generate_rss %}
             <link rel="alternate" type="application/rss+xml" title="RSS" href="{{ get_url(path="rss.xml") }}">