feat: add github logo

Author: yogeshpaliyal

src/components/ui/header.tsx

@@ -29,6 +29,21 @@ export function Header({ darkMode, toggleDarkMode, scrolled, heroVisible }: Head
         </div>
 
         <div className="flex items-center gap-4">
+          {/* GitHub Repository Link */}
+          <a 
+            href="https://github.com/yogeshpaliyal/awesome-android-tooling" 
+            target="_blank" 
+            rel="noopener noreferrer" 
+            className="p-2 rounded-md hover:bg-muted transition-colors flex items-center justify-center"
+            title="View on GitHub"
+            aria-label="View project on GitHub"
+          >
+            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" className="lucide lucide-github">
+              <path d="M15 22v-4a4.8 4.8 0 0 0-1-3.5c3 0 6-2 6-5.5.08-1.25-.27-2.48-1-3.5.28-1.15.28-2.35 0-3.5 0 0-1 0-3 1.5-2.64-.5-5.36-.5-8 0C6 2 5 2 5 2c-.3 1.15-.3 2.35 0 3.5A5.403 5.403 0 0 0 4 9c0 3.5 3 5.5 6 5.5-.39.49-.68 1.05-.85 1.65-.17.6-.22 1.23-.15 1.85v4"></path>
+              <path d="M9 18c-4.51 2-5-2-7-2"></path>
+            </svg>
+          </a>
+
           {/* Submit Tool Button - Outline Style */}
           <a 
             href="https://github.com/yogeshpaliyal/awesome-android-tooling/blob/master/CONTRIBUTING.md"