Add touch icons for Chrome, iOS and Windows 10

public/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+  <msapplication>
+    <tile>
+      <square150x150logo src="/assets/mstile-150x150.png"/>
+      <TileColor>#2b5797</TileColor>
+    </tile>
+  </msapplication>
+</browserconfig>

public/manifest.json

@@ -0,0 +1,14 @@
+{
+	"name": "Mastodon",
+	"description": "Mastodon is a free, open-source social network server.",
+	"icons": [
+		{
+			"src": "\/assets\/android-chrome-192x192.png",
+			"sizes": "192x192",
+			"type": "image\/png"
+		}
+	],
+	"theme_color": "#ffffff",
+	"display": "standalone",
+	"start_url": "/#/statuses/home"
+}