message: docs: add x-minecraft-launcher to readme
diff: @@ -28,6 +28,7 @@ It's the next generation Minecraft launcher core written in C# providing the fre
  ### Featured Launcher
  +- [x-minecraft-launcher](https://github.com/voxelum/x-minecraft-launcher): An launcher provides general electron api related to minecraft launching (in renderer side), making other developers can easily create new launcher view.
  - [PureLauncher](https://github.com/Apisium/PureLauncher): An awesome Minecraft Launcher using React to build beautiful UI.
  