feat: introduce Gatekeeper application, Directus utilities, and monorepo configuration for linting, testing, and husky hooks.

apps/sample-website/package.json

@@ -7,7 +7,8 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "test": "vitest run"
   },
   "dependencies": {
     "next": "15.1.6",

apps/sample-website/src/health.test.ts

@@ -0,0 +1,7 @@
+import { describe, it, expect } from "vitest";
+
+describe("sample-website", () => {
+  it("should pass basic health check", () => {
+    expect(true).toBe(true);
+  });
+});