start backend db

backend/database/test/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "types": [
+      "@cloudflare/workers-types/experimental",
+      "@cloudflare/vitest-pool-workers"
+    ]
+  },
+  "include": ["./**/*.ts", "../src/env.d.ts"],
+  "exclude": []
+}