Event flags implementation (#382)

* Added event flags
* Added transition ESC command
* Also edited .gitignore to ignore .translation files
* docs: Automatic update of API docs

Co-authored-by: StraToN <StraToN@users.noreply.github.com>

docs/api/TransitionCommand.md

@@ -0,0 +1,39 @@
+<!-- Auto-generated from JSON by GDScript docs maker. Do not edit this document directly. -->
+
+# TransitionCommand
+
+**Extends:** [ESCBaseCommand](../ESCBaseCommand) < [Node](../Node)
+
+## Description
+
+`transition transition_name in|out`
+
+Performs a transition in our out manually.
+
+@ESC
+
+## Method Descriptions
+
+### configure
+
+```gdscript
+func configure() -> ESCCommandArgumentDescriptor
+```
+
+Return the descriptor of the arguments of this command
+
+### validate
+
+```gdscript
+func validate(arguments: Array)
+```
+
+Validate wether the given arguments match the command descriptor
+
+### run
+
+```gdscript
+func run(command_params: Array) -> var
+```
+
+Run the command