feat: add comments functionality with resource association in database schema

Author: kingRayhan

migrations/0003_quiet_swarm.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "comments" ADD COLUMN "resource_id" uuid NOT NULL;--> statement-breakpoint
+ALTER TABLE "comments" ADD COLUMN "resource_type" varchar(50) NOT NULL;--> statement-breakpoint
+ALTER TABLE "comments" DROP COLUMN "commentable_type";--> statement-breakpoint
+ALTER TABLE "comments" DROP COLUMN "commentable_id";