feat: add GitHub profile footer on success screen

Add minimalist footer with "made w care by rafactx" and GitHub icon that appears after form submission

Author: rafactx

components/testimonial-form.tsx

@@ -311,6 +311,25 @@ export function TestimonialForm() {
               className="object-contain opacity-40"
             />
           </div>
+
+          <div className="mt-8 opacity-0 animate-[fadeIn_0.8s_ease-out_1.2s_forwards]">
+            <a
+              href="https://github.com/rafactx"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="flex items-center gap-2 text-sm text-muted-foreground hover:text-foreground transition-colors duration-200 group"
+            >
+              <span className="font-light">made w care by</span>
+              <span className="font-medium">rafactx</span>
+              <svg
+                viewBox="0 0 24 24"
+                className="w-4 h-4 fill-current group-hover:scale-110 transition-transform duration-200"
+                aria-hidden="true"
+              >
+                <path d="M12 2C6.477 2 2 6.477 2 12c0 4.42 2.865 8.17 6.839 9.49.5.092.682-.217.682-.482 0-.237-.008-.866-.013-1.7-2.782.603-3.369-1.34-3.369-1.34-.454-1.156-1.11-1.463-1.11-1.463-.908-.62.069-.608.069-.608 1.003.07 1.531 1.03 1.531 1.03.892 1.529 2.341 1.087 2.91.831.092-.646.35-1.086.636-1.336-2.22-.253-4.555-1.11-4.555-4.943 0-1.091.39-1.984 1.029-2.683-.103-.253-.446-1.27.098-2.647 0 0 .84-.269 2.75 1.025A9.578 9.578 0 0112 6.836c.85.004 1.705.114 2.504.336 1.909-1.294 2.747-1.025 2.747-1.025.546 1.377.203 2.394.1 2.647.64.699 1.028 1.592 1.028 2.683 0 3.842-2.339 4.687-4.566 4.935.359.309.678.919.678 1.852 0 1.336-.012 2.415-.012 2.743 0 .267.18.578.688.48C19.138 20.167 22 16.418 22 12c0-5.523-4.477-10-10-10z" />
+              </svg>
+            </a>
+          </div>
         </div>
       </div>
     )