Improve performance

[AFCMS]

No description provided.

[Copilot]

Pull Request Overview

This PR focuses on optimizing the Postgres database by adding several indexes and updating authorization policies.

• Removed existing policies on the pendingAuthors and postsCategories tables.
• Added new indexes on tables such as authors, features, follows, likes, postsCategories, posts, profilesCategories, profiles.
• Recreated policies for request co-authoring and author-related actions with updated conditions.

Comments suppressed due to low confidence (2)

supabase/migrations/20250617132119_optimise_db.sql:11

• Verify that 'featuree' in both the index name and column reference is intentional; if it is a typo, consider renaming it for clarity and consistency.

CREATE INDEX idx_features_featuree ON public.features USING btree (featuree);

supabase/migrations/20250617132119_optimise_db.sql:13

• Ensure that 'featurer' is the intended column name; if not, update it to reflect the correct naming conventions to avoid confusion.

CREATE INDEX idx_features_featurer ON public.features USING btree (featurer);

[AKArien]

need @AFCMS to implement the frontend to reduce the amount of calls to the database