ci: Add Gitea Actions workflow for CI/CD (Refs #2)

Frontend/package.json

@@ -17,6 +17,9 @@
   "devDependencies": {
     "@eslint/js": "^9.39.4",
     "@tailwindcss/vite": "^4.2.2",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
+    "@testing-library/user-event": "^14.6.1",
     "@types/node": "^24.12.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
@@ -25,9 +28,11 @@
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.5.2",
     "globals": "^17.4.0",
+    "jsdom": "^29.0.1",
     "tailwindcss": "^4.2.2",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.57.0",
-    "vite": "^8.0.1"
+    "vite": "^8.0.1",
+    "vitest": "^4.1.2"
   }
 }