feat: ✨ add iOS web app meta tags

index.html

@@ -5,6 +5,13 @@
 		<meta name="description" content="An addictive puzzle game inspired by Tetris.">
 		<link rel="manifest" href="manifest.webmanifest">
 		<meta name="apple-itunes-app" content="app-id=903769553"/>
+		<meta name="apple-mobile-web-app-title" content="Hextris">
+		<meta name="apple-mobile-web-app-capable" content="yes">
+		<link rel="apple-touch-icon" sizes="120x120" href="images/icons/apple-touch-120.png">
+		<link rel="apple-touch-icon" sizes="152x152" href="images/icons/apple-touch-152.png">
+		<link rel="apple-touch-icon" sizes="167x167" href="images/icons/apple-touch-167.png">
+		<link rel="apple-touch-icon" sizes="180x180" href="images/icons/apple-touch-180.png">
+		<link rel="apple-touch-icon" sizes="512x512" href="images/icons/apple-touch-512.png">
 		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0, minimal-ui"/>
 		<meta property="og:url" content="http://hextris.github.io/hextris/"/>
 		<meta property="og:site_name" content="Hextris"/>