chore: opencode favicon

packages/app/index.html

@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
-    <link rel="shortcut icon" type="image/ico" href="/src/assets/favicon.ico" />
+    <link rel="shortcut icon" type="image/ico" href="/src/assets/favicon.svg" />
     <link rel="stylesheet" href="/src/assets/theme.css" />
     <title>opencode</title>
   </head>

packages/app/src/assets/favicon.svg

@@ -0,0 +1,5 @@
+<svg width="600" height="600" viewBox="0 0 600 600" fill="none" xmlns="http://www.w3.org/2000/svg">
+<rect width="600" height="600" fill="black"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M115 180H300V420H115V180ZM253.75 229.044H161.25V370.405H253.75V229.044Z" fill="white"/>
+<path d="M346.25 180H485V229.044H392.5V370.405H485V419.449H346.25V180Z" fill="white"/>
+</svg>