chore: Add vitest workspace file

Author: spuxx-dev

vitest.workspace.ts

@@ -0,0 +1,12 @@
+import { defineWorkspace } from 'vitest/config';
+
+export default defineWorkspace([
+  './apps/nest/vitest.config.ts',
+  './apps/react/vite.config.ts',
+  './vite.config.nest.ts',
+  './vite.config.ts',
+  './packages/nest-testing/vite.config.ts',
+  './packages/browser-utils/vite.config.ts',
+  './packages/nest-utils/vite.config.ts',
+  './packages/js-utils/vite.config.ts',
+]);