refactor(auth): streamline user retrieval and add admin user reposito…#10

fulleni merged 1 commit intomainflutter-news-app-full-source-code/flutter-news-app-api-server-full-source-code:mainfrom

fix_rbacflutter-news-app-full-source-code/flutter-news-app-api-server-full-source-code:fix_rbacCopy head branch name to clipboard