fix: angular material core theme added

Author: jdegand

apps/ngrx/notification/project.json

@@ -19,7 +19,10 @@
  "apps/ngrx/notification/src/favicon.ico",
  "apps/ngrx/notification/src/assets"
  ],
- "styles": ["apps/ngrx/notification/src/styles.scss"],
+ "styles": [
+ "apps/ngrx/notification/src/styles.scss",
+ "./node_modules/@angular/material/prebuilt-themes/indigo-pink.css"
+ ],
  "scripts": [],
  "allowedCommonJsDependencies": ["seedrandom"]
  },