Youtrack now supports Gitea (#9343)

* Youtrack now supports Gitea

* Update third-party-tools.en-us.md

Author: techknowlogick

docs/content/doc/advanced/third-party-tools.en-us.md

@@ -35,3 +35,6 @@ Check our [CI/CD page]({{< relref "doc/advanced/ci-cd.en-us.md" >}})
 
 ###  Editor Extensions
  - [Gitea Extension for Visual Studio](https://github.com/maikebing/Gitea.VisualStudio)   Download from   [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=MysticBoy.GiteaExtensionforVisualStudio)
+ 
+ ### Project Management
+ - [YouTrack by JetBrains](https://blog.jetbrains.com/youtrack/2019/12/whats-new-in-youtrack-2019-3/)