Added unit tests via supertest, mocha

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "start": "node index.js",
     "dev": "nodemon ./index.js",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "mocha",
     "grunt": "grunt"
   },
   "repository": {
@@ -28,13 +28,16 @@
     "twig": "^1.17.1"
   },
   "devDependencies": {
+    "chai": "^5.3.1",
     "grunt": "^1.6.1",
     "grunt-cli": "^1.5.0",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-sass": "^2.0.0",
     "grunt-contrib-uglify": "^5.2.2",
     "grunt-contrib-watch": "^1.1.0",
+    "mocha": "^11.7.1",
     "nodemon": "^3.1.10",
-    "sass": "^1.89.2"
+    "sass": "^1.89.2",
+    "supertest": "^7.1.4"
   }
 }