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.config.ts

@@ -5,6 +5,8 @@ import { configDefaults, defineConfig } from "vitest/config";
 export default defineConfig({
   plugins: [react(), tsconfigPaths()],
   test: {
+    setupFiles: ["./vitest.setup.ts"],
+    environment: "jsdom",
     include: ["**/*.spec.ts"],
     poolOptions: {
       threads: {