test: add initial unit tests (#56)

* chore: add initial db migration

* test: add unit tests for packages auth, common, widgets

* fix: deep source issues

* fix: format issues

* wip: add unit tests for api routers

* fix: deep source issues

* test:  add missing unit tests for integration router

* wip: board tests

* test: add unit tests for board router

* fix: remove unnecessary null assertions

* fix: deepsource issues

* fix: formatting

* fix: pnpm lock

* fix: lint and typecheck issues

* chore: address pull request feedback

* fix: non-null assertions

* fix: lockfile broken

vitest.setup.ts

@@ -0,0 +1,3 @@
+import { vi } from "vitest";
+
+vi.mock("server-only", () => ({ default: undefined }));