Add scripts to build the app in CI

Author: Alian Rignack Quevedo

package.json

@@ -7,7 +7,9 @@
     "build": "ng build",
     "test": "ng test",
     "lint": "ng lint",
-    "e2e": "ng e2e"
+    "e2e": "ng e2e",
+    "build:ci": "ng build --prod --sourceMap=false --base-href /YOUR_REPOSITORY_NAME_HERE/"
+    "test:ci": "ng test --watch=false --code-coverage --source-map true"
   },
   "private": true,
   "dependencies": {