Add default metadata & make replaceFile function

src/server/db/schema.sql

@@ -58,6 +58,12 @@ create policy "Avatar images are publicly accessible." on storage.objects
 create policy "Anyone can upload an avatar." on storage.objects
   for insert with check (bucket_id = 'avatars');
 
+create policy "Anyone can update an avatar." on storage.objects
+  for update using (bucket_id = 'avatars');
+
+create policy "Anyone can delete an avatar." on storage.objects
+  for delete using (bucket_id = 'avatars');
+
 -- -- Create a table for public statuses
 -- CREATE TABLE statuses (
   -- id uuid DEFAULT gen_random_uuid() PRIMARY KEY,