Update index.html

Author: MegaMind-Solution

index.html

@@ -24,7 +24,10 @@
     <!-- PWA Manifest & Icons -->
     <link rel="manifest" href="/manifest.webmanifest">
     <link rel="canonical" href="https://mainroute-core.github.io/">
-    <link href="https://avatars.githubusercontent.com/u/249983472?s=180&v=4" rel="apple-touch-icon" sizes="180x180" />
+<link rel="icon" type="image/png" sizes="512x512" href="https://avatars.githubusercontent.com/u/249983472?s=512&v=4">
+<link rel="icon" type="image/png" sizes="192x192" href="https://avatars.githubusercontent.com/u/249983472?s=192&v=4">
+<link rel="icon" type="image/png" sizes="144x144" href="https://avatars.githubusercontent.com/u/249983472?s=144&v=4">
+<link href="https://avatars.githubusercontent.com/u/249983472?s=180&v=4" rel="apple-touch-icon" sizes="180x180" />
     <link href="https://avatars.githubusercontent.com/u/249983472?s=32&v=4" rel="icon" sizes="32x32" type="image/png" />
     <link href="https://avatars.githubusercontent.com/u/249983472?s=16&v=4" rel="icon" sizes="16x16" type="image/png" />