feat: add the conection in the api backend

Author: gustavo-lola

backend/drizzle/0004_small_psylocke.sql

@@ -0,0 +1,8 @@
+CREATE TABLE "keywords" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"keyword" text NOT NULL,
+	"source" text DEFAULT 'user' NOT NULL,
+	"created_at" timestamp DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX "keywords_keyword_unique" ON "keywords" USING btree ("keyword");