feat: Add build-dev mode

Allows to deploy a mock data build

Author: timonback

package.json

@@ -5,6 +5,7 @@
     "ng": "ng",
     "start": "ng serve",
     "build": "ng build --prod --base-href=./",
+    "build-dev": "ng build --base-href=./",
     "test": "ng test",
     "lint": "ng lint",
     "e2e": "ng e2e",