feat: add GitHub repo link

Signed-off-by: Ilya Buziuk <ibuziuk@redhat.com>

Author: ibuziuk

src/App.jsx

@@ -8,12 +8,27 @@ function App() {
       <div className="min-h-screen bg-gray-50">
         <header className="bg-white shadow">
           <div className="max-w-7xl mx-auto py-6 px-4 sm:px-6 lg:px-8">
-            <h1 className="text-3xl font-bold text-gray-900">
-              Devfile Wizard
-            </h1>
-            <p className="mt-2 text-gray-600">
-              Create devfile 2.3.0 configuration files step-by-step
-            </p>
+            <div className="flex justify-between items-start">
+              <div>
+                <h1 className="text-3xl font-bold text-gray-900">
+                  Devfile Wizard
+                </h1>
+                <p className="mt-2 text-gray-600">
+                  Create devfile 2.3.0 configuration files step-by-step
+                </p>
+              </div>
+              <a
+                href="https://github.com/devfile/gui-wizard"
+                target="_blank"
+                rel="noopener noreferrer"
+                className="text-gray-700 hover:text-gray-900 transition-colors"
+                aria-label="View on GitHub"
+              >
+                <svg className="w-8 h-8" fill="currentColor" viewBox="0 0 24 24" aria-hidden="true">
+                  <path fillRule="evenodd" d="M12 2C6.477 2 2 6.484 2 12.017c0 4.425 2.865 8.18 6.839 9.504.5.092.682-.217.682-.483 0-.237-.008-.868-.013-1.703-2.782.605-3.369-1.343-3.369-1.343-.454-1.158-1.11-1.466-1.11-1.466-.908-.62.069-.608.069-.608 1.003.07 1.531 1.032 1.531 1.032.892 1.53 2.341 1.088 2.91.832.092-.647.35-1.088.636-1.338-2.22-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.253-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.026A9.564 9.564 0 0112 6.844c.85.004 1.705.115 2.504.337 1.909-1.296 2.747-1.027 2.747-1.027.546 1.379.202 2.398.1 2.651.64.7 1.028 1.595 1.028 2.688 0 3.848-2.339 4.695-4.566 4.943.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.58.688.482A10.019 10.019 0 0022 12.017C22 6.484 17.522 2 12 2z" clipRule="evenodd" />
+                </svg>
+              </a>
+            </div>
           </div>
         </header>