[Shared][UnitTests] Add vitest config for even faster unit tests

services/shared/vitest.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from 'vitest/config'
+
+// oxlint-disable-next-line no-default-export
+export default defineConfig({
+  test: {
+    reporters: ['tree'],
+    exclude: ['./dist', 'node_modules'],
+    pool: 'threads',
+    testTimeout: 10_000, // 10s timeout
+    sequence: {
+      concurrent: true, // Enable parallel tests by default
+    },
+  },
+})