Add mdx support for Events content

supabase/migrations/0002_add_content_images_bucket.sql

@@ -0,0 +1,48 @@
+-- Create storage bucket for rich text content images
+insert into storage.buckets (id, name, public)
+values ('event-content-images', 'event-content-images', true)
+on conflict (id) do nothing;
+
+-- Allow public read access to content images
+create policy "content_images_select_public" on storage.objects
+  for select
+  using (bucket_id = 'event-content-images');
+
+-- Allow authenticated admins to upload content images
+create policy "content_images_insert_admin" on storage.objects
+  for insert
+  with check (
+    bucket_id = 'event-content-images'
+    and auth.role() = 'authenticated'
+    and exists (
+      select 1 from public.profiles p
+      where p.id = auth.uid()
+        and p.is_admin
+    )
+  );
+
+-- Allow authenticated admins to update content images
+create policy "content_images_update_admin" on storage.objects
+  for update
+  using (
+    bucket_id = 'event-content-images'
+    and auth.role() = 'authenticated'
+    and exists (
+      select 1 from public.profiles p
+      where p.id = auth.uid()
+        and p.is_admin
+    )
+  );
+
+-- Allow authenticated admins to delete content images
+create policy "content_images_delete_admin" on storage.objects
+  for delete
+  using (
+    bucket_id = 'event-content-images'
+    and auth.role() = 'authenticated'
+    and exists (
+      select 1 from public.profiles p
+      where p.id = auth.uid()
+        and p.is_admin
+    )
+  );