perf(web): add favicon, webmanifest and browserconfig

web/static/service/browserconfig.xml

@@ -0,0 +1,11 @@
+<?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>#8B6D5C</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

web/static/service/skazanull.webmanifest

@@ -0,0 +1,46 @@
+{
+	"name": "SkazaNull",
+	"lang": "ru-RU",
+	"start_url": "/",
+	"scope": "/",
+	"display": "standalone",
+	"theme_color": "#8B6D5C",
+	"icons": [
+		{
+			"src": "/static/images/android-icon-36x36.png",
+			"sizes": "36x36",
+			"type": "image/png",
+			"density": "0.75"
+		},
+		{
+			"src": "/static/images/android-icon-48x48.png",
+			"sizes": "48x48",
+			"type": "image/png",
+			"density": "1.0"
+		},
+		{
+			"src": "/static/images/android-icon-72x72.png",
+			"sizes": "72x72",
+			"type": "image/png",
+			"density": "1.5"
+		},
+		{
+			"src": "/static/images/android-icon-96x96.png",
+			"sizes": "96x96",
+			"type": "image/png",
+			"density": "2.0"
+		},
+		{
+			"src": "/static/images/android-icon-144x144.png",
+			"sizes": "144x144",
+			"type": "image/png",
+			"density": "3.0"
+		},
+		{
+			"src": "/static/images/android-icon-192x192.png",
+			"sizes": "192x192",
+			"type": "image/png",
+			"density": "4.0"
+		}
+	]
+}