Fix command docs, automate API doc generation (#327)

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

docs/api/ESCLocation.md

@@ -0,0 +1,53 @@
+<!-- Auto-generated from JSON by GDScript docs maker. Do not edit this document directly. -->
+
+# ESCLocation
+
+**Extends:** [Position2D](../Position2D)
+
+## Description
+
+ A simple node extending Position2D with a global ID so that it can be
+referenced in ESC Scripts.
+
+## Property Descriptions
+
+### global\_id
+
+```gdscript
+export var global_id = ""
+```
+
+The global ID of this item
+
+### player\_orients\_on\_arrival
+
+```gdscript
+export var player_orients_on_arrival = true
+```
+
+If true, player orients towards 'interaction_direction' as
+player character arrives.
+
+### interaction\_direction
+
+```gdscript
+export var interaction_direction = 0
+```
+
+Let the player turn to this direction when the player arrives
+at the item
+
+## Method Descriptions
+
+### is\_class
+
+```gdscript
+func is_class(p_classname: String) -> bool
+```
+
+Used by "is" keyword to check whether a node's class_name
+is the same as p_classname.
+
+## Parameters
+
+p_classname: String class to compare against