refactor(country): improve country fetching logic#47

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

Implement-Atomic-Cache-Assignment-and-Extract-Fetch-Logic-in-country-serviceflutter-news-app-full-source-code/flutter-news-app-api-server-full-source-code:Implement-Atomic-Cache-Assignment-and-Extract-Fetch-Logic-in-country-serviceCopy head branch name to clipboard