feat: prepare TypeORM support for Postgres db calls

docker-compose.yml

@@ -0,0 +1,12 @@
+# This file will likely be moved into the main repo soon.
+services:
+
+	postgres:
+		image: "postgres:17.2"
+		ports:
+			- "5432:5432"
+		environment:
+			POSTGRES_USER: "kitty"
+			POSTGRES_PASSWORD: "CHANGEME"
+			POSTGRES_DB: "kittyurl"
+