feat: added canonical URL

frontends/web/index.html

@@ -8,6 +8,7 @@
     <meta name="description" content="Game Boy emulator written in Rust 🦀." />
     <meta name="viewport"
         content="width=device-width, user-scalable=yes, initial-scale=1, minimum-scale=1, maximum-scale=5" />
+    <link rel="canonical" href="https://boytacean.joao.me/" />
     <link rel="icon" href="res/icon.png" />
     <link rel="stylesheet" href="index.css" />
 </head>