Launcher (#355)
* Add Launcher widget to the Editor, lists active addons for you to launch into without having to use the main game UI
* Can also create your own configs
* Set active gamemode on launcher config update - Hammer "Load in engine after building" will pick from Launcher
https://files.facepunch.com/devultj/1b1211b1/178105449-7c4e6231-3c2a-4567-b0af-5aed3799578e.mp4