feat: This enables user-defined transition and uses a tween to animate the transitions (#405)

* feat: This enables user-defined transition and uses a tween to animate the transitions

fixes #344

* docs: Automatic update of API docs

* docs: Automatic update of API docs

Co-authored-by: Dennis Ploeger <develop@dieploegers.de>
Co-authored-by: dploeger <dploeger@users.noreply.github.com>

docs/api/TransitionCommand.md

@@ -6,10 +6,16 @@
 
 ## Description
 
-`transition transition_name in|out`
+`transition transition_name in|out [delay]`
 
 Performs a transition in our out manually.
 
+Parameters:
+- transition_name: Name of the transition shader from one of the transition
+  directories
+- in|out: Wether to play the transition in IN- or OUT-mode
+- delay: Delay for the transition to take. Defaults to 1 second
+
 @ESC
 
 ## Method Descriptions