News feed aggregator from several sources

Task (full description will be added when the program is ready :))

News feed aggregator from several sources (for example lenta and gazeta or newsapi with different sources)

• The application must display news in one list, sorted by publication date, from two or more sources
• Applications must be scalable to add new sources
• The application must indicate its source in the news
• A count of the number of transitions to the news should be implemented.
• A count of the number of transitions to the news should be implemented.
• Adding selected news should be implemented.
• Update by timer (period selection in settings).
• Settings (for example: update frequency, enable/disable news source), saved on restart.
• Using a database to store news
• Thoughtful and scalable project structure
• Test coverage