docs(docs): add sponsor link and star

docs/src/content/docs/guides/contribute.md

@@ -8,13 +8,3 @@ sidebar:
 :::note
 WIP:
 :::
-
-<a
-  class="github-button"
-  href="https://github.com/tomalaforge/angular-challenges"
-  data-color-scheme="no-preference: dark; light: light; dark: dark;"
-  data-size="large"
-  data-show-count="true"
-  aria-label="Star tomalaforgee/angular-challenges on GitHub">
-Star
-</a>

docs/src/content/docs/index.mdx

@@ -14,6 +14,10 @@ hero:
     - text: Start your first challenge immediatly
       link: /challenges/angular/1-projection/
       icon: rocket
+    - text: Give a star
+      link: https://github.com/tomalaforge/angular-challenges
+      icon: github
+      variant: secondary
 ---
 
 import { Card, CardGrid } from '@astrojs/starlight/components';
@@ -21,7 +25,7 @@ import { Card, CardGrid } from '@astrojs/starlight/components';
 <CardGrid>
 <Card title="35 Challenges">
     This repository gathers 35 Challenges related to <b>Angular</b>, <b>Nx</b>, <b>Ngrx</b>, <b>RxJS</b>, and <b>Ngrx</b>. 
-    These challenges revolve around real-life issues or specific features to elevate your skills.
+    These challenges resolve around real-life issues or specific features to elevate your skills.
 </Card>
 
 <Card title="Become an OSS Maintainer">
@@ -48,3 +52,17 @@ import { Card, CardGrid } from '@astrojs/starlight/components';
     Completing these challenges will prepare you for any technical challenges you may encounter in a frontend role during interviews.
 </Card>
 </CardGrid>
+
+---
+
+<div class="article-footer">
+  <a href="https://github.com/sponsors/tomalaforge" alt="Sponsor link">
+    🤍 Sponsor the Project
+  </a>
+</div>
+
+<div class="main-page-footer">
+  Created by{' '}
+  <a href="https://github.com/tomalaforge?tab=repositories">Thomas Laforge</a> -
+  Powered by 🌟 <a href="https://starlight.astro.build/">Starlight</a>
+</div>