Version 0.13.0 released

• All packages are updated (that updates UI, Bitcoin.Net backend and fixes some bugs and improves performance)
• Upgrade to dotnet 8.0
• Code is improved and cleaned up
• Dead API was removed
• Moved error message textbox to a better place to be more visible and readable

Binaries for 3 operating systems are published like before.
https://github.com/Coding-Enthusiast/SharpPusher/releases/tag/0.13.0.0