Update README.md, LICENSE Update addon schema Code cleanup, take advantage of new API and C# language features to make this a good example of how to use s&box. * Stop using Sandbox.GameBase, if there's a reason we were using this let's fix that in base instead. * Update namespace and use file scoped namespaces from C#10. * Take advantage of [UseTemplate] and @text binds instead of updating text in Tick. * RootPanel deletion is handled by engine now, we can just do new RootPanel() * Move code around into partial classes better. Update fgd filename Update trap entity code after merge