chore(starters): add gatsby-starter-infinite-scroll (#12349)

[https://gatsby-starter-infinite-scroll.baobab.fi/](https://gatsby-starter-infinite-scroll.baobab.fi/)

docs/starters.yml

@@ -2023,6 +2023,18 @@
     - Blog post listing with previews (image + summary) for each blog post.
     - Contact form integration with Netlify.
     - Grid system inspired by Bootstrap.
+- url: https://gatsby-starter-infinite-scroll.baobab.fi/
+  repo: https://github.com/baobabKoodaa/gatsby-starter-infinite-scroll
+  description: Infinite Scroll and Pagination with 10k photos
+  tags:
+    - Infinite Scroll
+    - Pagination
+    - Styling:CSS-in-JS
+  features:
+    - Infinite Scroll (default mode)
+    - Pagination (fallback for users without JS)
+    - Toggle between these modes in demo
+    - Efficient implementation (only fetch the data that's needed, ship initial items with the page instead of fetch, etc.)
 - url: https://jodie.lekoarts.de/
   repo: https://github.com/LekoArts/gatsby-starter-portfolio-jodie
   description: Image-heavy photography portfolio with colorful accents & great typography