feat: support remote URLs for collaborator logos and render section on homepage

Author: anistark

collaborators.yaml

@@ -3,7 +3,7 @@
 # Each entry needs:
 #   name:    Display name
 #   url:     Link target (homepage, GitHub org, etc.)
-#   logo:    Path under site/public/ (e.g. /collaborators/acme.svg)
+#   logo:    Remote URL to the logo image (e.g. https://example.com/logo.svg)
 #   tagline: Optional one-line description
 #
 # Add an entry below to feature a collaborator on the homepage.
@@ -13,5 +13,5 @@ collaborators: []
 # collaborators:
 #   - name: Acme Inc
 #     url: https://acme.com
-#     logo: /collaborators/acme.png
+#     logo: https://acme.com/logo.png
 #     tagline: AI-powered widgets

site/src/pages/index.astro

@@ -106,7 +106,7 @@ const totalPluginCount = plugins.length;
     </div>
 
     <Cta />
-    <!-- <Collaborators /> -->
+    <Collaborators />
   </div>
 
   <Footer />