Merge branch 'feat/angular-hmr' into 'master'

angular.json

package-lock.json

package.json

src/app/app.component.ts

src/app/modules/notifications/notification.service.ts

src/environments/environment.hmr.ts

src/environments/environment.prod.ts

src/environments/environment.ts

src/hmr.ts

src/main.ts

src/tsconfig.app.json