fix: icon in meta (commaai#461)

resolves: commaai/connect#458

https://ogp.me/

https://indieweb.org/The-Open-Graph-protocol#Does_not_support_SVG_images


![Image](https://new-connect.connect-d5y.pages.dev/apple-touch-icon-180x180.png)

<img width="458" alt="image"
src="https://github.com/user-attachments/assets/60998c04-c7bf-49b2-a1c4-3b389dbdfb96"
/>

Author: greatgitsby

index.html

@@ -4,6 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no" />
     <meta name="description" content="manage your openpilot experience" />
+    <meta property="og:image" content="/apple-touch-icon-180x180.png" />
     <title>connect</title>
 
     <meta name="apple-mobile-web-app-capable" content="yes">