add favicons.

app/static/favicons/browserconfig.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig><msapplication><tile><square70x70logo src="/ms-icon-70x70.png"/><square150x150logo src="/ms-icon-150x150.png"/><square310x310logo src="/ms-icon-310x310.png"/><TileColor>#ffffff</TileColor></tile></msapplication></browserconfig>

app/static/favicons/manifest.json

@@ -0,0 +1,41 @@
+{
+ "name": "App",
+ "icons": [
+  {
+   "src": "\/android-icon-36x36.png",
+   "sizes": "36x36",
+   "type": "image\/png",
+   "density": "0.75"
+  },
+  {
+   "src": "\/android-icon-48x48.png",
+   "sizes": "48x48",
+   "type": "image\/png",
+   "density": "1.0"
+  },
+  {
+   "src": "\/android-icon-72x72.png",
+   "sizes": "72x72",
+   "type": "image\/png",
+   "density": "1.5"
+  },
+  {
+   "src": "\/android-icon-96x96.png",
+   "sizes": "96x96",
+   "type": "image\/png",
+   "density": "2.0"
+  },
+  {
+   "src": "\/android-icon-144x144.png",
+   "sizes": "144x144",
+   "type": "image\/png",
+   "density": "3.0"
+  },
+  {
+   "src": "\/android-icon-192x192.png",
+   "sizes": "192x192",
+   "type": "image\/png",
+   "density": "4.0"
+  }
+ ]
+}

app/templates/favicons.html

@@ -1 +1,17 @@
-<!-- need to add favicons at some point... -->
+<link rel="apple-touch-icon" sizes="57x57" href="{{ url_for('static', filename='favicons/apple-icon-57x57.png') }}">
+<link rel="apple-touch-icon" sizes="60x60" href="{{ url_for('static', filename='favicons/apple-icon-60x60.png') }}">
+<link rel="apple-touch-icon" sizes="72x72" href="{{ url_for('static', filename='favicons/apple-icon-72x72.png') }}">
+<link rel="apple-touch-icon" sizes="76x76" href="{{ url_for('static', filename='favicons/apple-icon-76x76.png') }}">
+<link rel="apple-touch-icon" sizes="114x114" href="{{ url_for('static', filename='favicons/apple-icon-114x114.png') }}">
+<link rel="apple-touch-icon" sizes="120x120" href="{{ url_for('static', filename='favicons/apple-icon-120x120.png') }}">
+<link rel="apple-touch-icon" sizes="144x144" href="{{ url_for('static', filename='favicons/apple-icon-144x144.png') }}">
+<link rel="apple-touch-icon" sizes="152x152" href="{{ url_for('static', filename='favicons/apple-icon-152x152.png') }}">
+<link rel="apple-touch-icon" sizes="180x180" href="{{ url_for('static', filename='favicons/apple-icon-180x180.png') }}">
+<link rel="icon" type="image/png" sizes="192x192"  href="{{ url_for('static', filename='favicons/android-icon-192x192.png') }}">
+<link rel="icon" type="image/png" sizes="32x32" href="{{ url_for('static', filename='favicons/favicon-32x32.png') }}">
+<link rel="icon" type="image/png" sizes="96x96" href="{{ url_for('static', filename='favicons/favicon-96x96.png') }}">
+<link rel="icon" type="image/png" sizes="16x16" href="{{ url_for('static', filename='favicons/favicon-16x16.png') }}">
+<link rel="manifest" href="{{ url_for('static', filename='favicons/manifest.json') }}">
+<meta name="msapplication-TileColor" content="#ffffff">
+<meta name="msapplication-TileImage" content="{{ url_for('static', filename='favicons/ms-icon-144x144.png') }}">
+<meta name="theme-color" content="#ffffff">