[V3] experiment with _meta.{js,jsx,ts,tsx} (#2272)

Author: Dimitri POSTOLOV

.changeset/red-bees-rush.md

@@ -0,0 +1,5 @@
+---
+'nextra': minor
+---
+
+add support for `_meta.{js,jsx,ts,tsx}` with JSX support

.prettierignore

@@ -4,5 +4,5 @@ pnpm-lock.yaml
 docs/pages/docs/guide/advanced/latex.mdx
 
 examples/swr-site/nextra-remote-filepaths/*.json
-examples/swr-site/pages/en/remote/graphql-eslint/_meta.js
-examples/swr-site/pages/en/remote/graphql-yoga/_meta.js
+examples/swr-site/pages/en/remote/graphql-eslint/_meta.ts
+examples/swr-site/pages/en/remote/graphql-yoga/_meta.ts