chore: remove old example (#237)

Author: felangel

docs/docs/basics/resources.md

@@ -4,7 +4,7 @@ sidebar_position: 7
 
 # Additional Resources 📚
 
-- [Example][example_link]
+- [Examples][examples_link]
 - [Roadmap][roadmap_link]
 - [Blog post][blog_link]
 - [Livestream demo][livestream_link]
@@ -16,6 +16,6 @@ Did you know the [dart2js][dart2js_compiler_link] compiler [used to be called fr
 [blog_link]: https://verygood.ventures/blog/dart-frog
 [dart2js_compiler_link]: https://dart.dev/tools/dart2js
 [dart2js_frog_pr_link]: https://github.com/dart-lang/sdk/issues/2194
-[example_link]: https://github.com/VeryGoodOpenSource/dart_frog/tree/main/example
+[examples_link]: https://github.com/VeryGoodOpenSource/dart_frog/tree/main/examples
 [livestream_link]: https://youtu.be/N7l0b09c6DA
 [roadmap_link]: /docs/roadmap