Extract groombook/api from monorepo with CI workflow

- Add source code from apps/api
- Add packages/db and packages/types workspace dependencies
- Add GitHub Actions CI workflow (lint, typecheck, test, docker)
- Generate pnpm-lock.yaml
- Add .gitignore

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/db/src/index.ts

@@ -0,0 +1,20 @@
+import { drizzle } from "drizzle-orm/postgres-js";
+import postgres from "postgres";
+import * as schema from "./schema.js";
+
+export * from "./schema.js";
+export { encryptSecret, decryptSecret } from "./crypto.js";
+export { and, asc, desc, eq, exists, gte, gt, ilike, inArray, isNull, lt, lte, ne, or, sql } from "drizzle-orm";
+
+let _db: ReturnType<typeof drizzle> | null = null;
+
+export function getDb() {
+  if (_db) return _db;
+  const url = process.env.DATABASE_URL;
+  if (!url) throw new Error("DATABASE_URL is not set");
+  const client = postgres(url, { max: 10 });
+  _db = drizzle(client, { schema });
+  return _db;
+}
+
+export type Db = ReturnType<typeof getDb>;