feat(docs/index): version 1

- Removed default content from Starlight template
- Removed cards (as they don't seem necessary now - wait for more
content)
- Updated title, description, tagline and hero image
- Updated actions:
    - Primary action: Checkout meetup #2 guide
    - Secondary action: Join the meetup telegram group
- Added English variant of the index page

Signed-off-by: Noa Virellia <noa@requiem.garden>

src/content/docs/en/index.mdx

@@ -0,0 +1,17 @@
+---
+title: "Nix CN"
+description: Explore a reproducible future with the Nix CN community
+template: splash
+hero:
+  tagline: Explore a reproducible future with the Nix CN community
+  image:
+    file: ../../../assets/nix-flake-logo.svg
+  actions:
+    - text: "Meetup #2 Attendee Guide"
+      link: /en/meetup-2-guide
+      icon: right-arrow
+    - text: Join the event group
+      link: https://t.me/nixcnmeetup
+      icon: external
+      variant: minimal
+---

src/content/docs/index.mdx

@@ -1,40 +1,17 @@
 ---
-title: Welcome to Starlight
+title: "Nix CN"
-description: Get started building your docs site with Starlight.
+description: 与 Nix 中文社群一起探索可复现的未来
-template: splash # Remove or comment out this line to display the site sidebar on this page.
+template: splash
 hero:
-  tagline: Congrats on setting up a new Starlight project!
+  tagline: 与 Nix 中文社群一起探索可复现的未来
   image:
-    file: ../../assets/houston.webp
+    file: ../../assets/nix-flake-logo.svg
   actions:
-    - text: Example Guide
+    - text: "Meetup #2 参会指南"
-      link: /guides/example/
+      link: /meetup-2-guide
       icon: right-arrow
-    - text: Read the Starlight docs
+    - text: 加入活动群组
-      link: https://starlight.astro.build
+      link: https://t.me/nixcnmeetup
       icon: external
       variant: minimal
 ---
-
-import { Card, CardGrid } from '@astrojs/starlight/components';
-
-## Next steps
-
-<CardGrid stagger>
-	<Card title="Update content" icon="pencil">
-		Edit `src/content/docs/index.mdx` to see this page change.
-	</Card>
-	<Card title="Change page layout" icon="document">
-		Delete `template: splash` in `src/content/docs/index.mdx` to display a
-		sidebar on this page.
-	</Card>
-	<Card title="Add new content" icon="add-document">
-		Add Markdown or MDX files to `src/content/docs` to create new pages.
-	</Card>
-	<Card title="Configure your site" icon="setting">
-		Edit your `sidebar` and other config in `astro.config.mjs`.
-	</Card>
-	<Card title="Read the docs" icon="open-book">
-		Learn more in [the Starlight Docs](https://starlight.astro.build/).
-	</Card>
-</CardGrid>