✨ Feat: Add redirect to docs (#1499)

## Description

_Concise description of proposed changes_

## Testing

Explain the quality checks that have been done on the code changes

## Additional Information

- [ ] I read the [contributing docs](../docs/contributing.md) (if this
is your first contribution)

Your ENS/address:



<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **New Features**
- Introduced a redirect for the `/telegram` path, directing users to the
Telegram link with a permanent status.
  
- **Documentation**
- Updated configuration documentation to include the new `redirects`
property.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

docs/astro.config.mjs

@@ -6,4 +6,10 @@ export default defineConfig({
     integrations: [
         starlightConfig,
     ],
+    redirects: {
+        '/telegram': {
+            destination: 'https://t.me/+ANThR9bHDLAwMjUx',
+            permanent: true
+        }
+    }
 });