first commit

src/db/client.ts

@@ -0,0 +1,13 @@
+import fs from "node:fs";
+import path from "node:path";
+import Database from "better-sqlite3";
+import { drizzle } from "drizzle-orm/better-sqlite3";
+
+const dataDir = path.resolve("data");
+if (!fs.existsSync(dataDir)) {
+  fs.mkdirSync(dataDir, { recursive: true });
+}
+
+const sqlite = new Database(path.resolve(dataDir, "leistungsbilanz.db"));
+export const db = drizzle(sqlite);
+