feat: initial commit

cmd/migrate/migrations/000007_add_indexes.down.sql

@@ -0,0 +1,8 @@
+DROP INDEX IF EXISTS idx_comments_content;
+DROP INDEX IF EXISTS idx_comments_post_id;
+
+DROP INDEX IF EXISTS idx_posts_title;
+DROP INDEX IF EXISTS idx_posts_tags;
+DROP INDEX IF EXISTS idx_posts_user_id;
+
+DROP INDEX IF EXISTS idx_users_username;