feat: NCS-75 Frontend Deployment Dockerfile (#4)

Co-authored-by: shahdlala66 <shahd.lala66@gmail.com>
Reviewed-on: #4
Co-authored-by: Shahd Lala <shosho996@blackhole.local>
Co-committed-by: Shahd Lala <shosho996@blackhole.local>

package.json

@@ -4,7 +4,8 @@
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
-    "build": "ng build",
+    "build": "ng build --configuration production",
+    "build:staging": "ng build --configuration staging",
     "watch": "ng build --watch --configuration development",
     "test": "ng test"
   },