Update favicon (#87)

webapp/public/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

webapp/public/site.webmanifest

@@ -0,0 +1,19 @@
+{
+    "name": "",
+    "short_name": "",
+    "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"
+}

webapp/src/index.html

@@ -5,7 +5,15 @@
     <title>Hephaestus</title>
     <base href="/" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
+    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16-light.png" media="(prefers-color-scheme: light)" />
+    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32-light.png" media="(prefers-color-scheme: light)" />
+    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16-dark.png" media="(prefers-color-scheme: dark)" />
+    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32-dark.png" media="(prefers-color-scheme: dark)" />
+    <link rel="manifest" href="/site.webmanifest" />
+    <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#000000" />
+    <meta name="msapplication-TileColor" content="#da532c" />
+    <meta name="theme-color" content="#ffffff" />
   </head>
   <script>
     const theme = localStorage.getItem('theme');