feat: implement testimonial popup and avatar components; update layout and roadmap items

package.json

@@ -29,6 +29,7 @@
     "@hookform/resolvers": "^5.0.1",
     "@iconify/react": "^6.0.0",
     "@marsidev/react-turnstile": "^1.1.0",
+    "@radix-ui/react-avatar": "^1.1.10",
     "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-slot": "^1.2.0",
     "@redocly/ajv": "^8.11.2",