Add MCT-2024.png image for a blog article

Update to .NET 8. Update NuGet packages and client-side libraries.

Update NuGet packages. Remove unused Feed and FeedItem models. Remove unused code.

Remove IRecurringJobManager activation

Remove feed-related code as it is moved to another system. Disabled hangfire.

Add IT-Index-Certificate-2023.png

Small icon change

Update client-side libraries

Update to .NET 7.0 and update all NuGet packages

Add IsPinned for blog posts

Add support for JSON content in CheckFeedsJob

Fixes and improvements in the feeds checker system

Update to .NET 6

Update packages

Implement checking OkStatusCode for CheckFeedsJob. NuGet packages updated.