Add new community page and update blog description

Author: sanketverma1704

_data/navigation.yml

@@ -23,8 +23,8 @@ sidebar:
         url: "#videos"
       - title: "ZEPs"
         url: '#zeps'
-      - title: "Community Meetings"
-        url: '#community-meetings'
+      - title: "Community"
+        url: '/community'
       - title: "Blog"
         url: '#blog'
   - title: Other sites

community/community.md

@@ -0,0 +1,27 @@
+---
+layout: single
+author_profile: false
+title: Zarr Community
+permalink: /community/
+sidebar:
+  title: "Content"
+  nav: sidebar
+---
+
+## Community meetings
+
+Zarr community meeting notes, joining instructions, agenda and calendar are available at: [https://zarr.dev/community-calls](https://zarr.dev/community-calls)
+
+## Join the community
+
+Most discussions and chats related to Zarr and its [implementations](https://github.com/zarr-developers/zarr_implementations) take place on Gitter and GitHub. If you are looking to:
+
+- Interact with the maintainers, contributors and users of the project; join the Gitter → [here](https://gitter.im/zarr-developers/community)
+- Want to ask questions related to [`zarr-python`](https://github.com/zarr-developers/zarr-python) usage, create a new discussion on GitHub → [here](https://github.com/zarr-developers/zarr-python/discussions)
+- Contribute and engage in discussion related to Zarr Specification; check out the `zarr-specs` [repo](https://github.com/zarr-developers/zarr-specs/) or create an issue → [here](https://github.com/zarr-developers/zarr-specs/issues)
+
+Also, find us on:
+
+- [Twitter](https://twitter.com/zarr_dev)
+- [GitHub](https://github.com/zarr-developers)
+- [YouTube](https://www.youtube.com/@zarr_dev/playlists)

index.md

@@ -86,10 +86,8 @@ We hold bi-weekly ZEPs meetings to propose, discuss, review and finalize discuss
 
 > Please note ZEPs meetings are different from bi-weekly community meetings. The Zarr Community meets two times every two weeks. Please have a look at our [community calendar](https://zarr.dev/community-calls/) for exact timings.
 
-## Community meetings
-
-Zarr community meeting notes, joining instructions, agenda and calendar are now available at: [https://zarr.dev/community-calls](https://zarr.dev/community-calls)
-
 ## Blog
 
-Check out the newly launched Zarr blog [here](https://zarr.dev/blog).
+Check out the Zarr blog [here](https://zarr.dev/blog).
+
+> The GitHub repository for the blog is [here](https://github.com/zarr-developers/blog). In addition, we’re always looking for guest blog posts. For more info, please read [this](https://github.com/zarr-developers/blog#contribute-to-zarr-blog).