chore(turborepo): initial setup and config, move db to package

packages/db/src/index.ts

@@ -0,0 +1,16 @@
+import { drizzle } from "drizzle-orm/postgres-js";
+import postgres from "postgres";
+import * as schema from "./schema";
+
+if (!process.env.DATABASE_URL) {
+  throw new Error("DATABASE_URL is not set");
+}
+
+// Create the postgres client
+const client = postgres(process.env.DATABASE_URL);
+
+// Create the drizzle instance
+export const db = drizzle(client, { schema });
+
+// Re-export schema for convenience
+export * from "./schema";