feat: allows for default/fallback actions to be specified

addons/escoria-core/game/escoria.gd

@@ -52,6 +52,7 @@ func _ready():
 
 	escoria.room_manager.register_reserved_globals()
 	escoria.inputs_manager.register_core()
+
 	if ESCProjectSettingsManager.get_setting(
 		ESCProjectSettingsManager.GAME_START_SCRIPT
 	).empty():
@@ -66,6 +67,21 @@ func _ready():
 		)
 	)
 
+	if ESCProjectSettingsManager.get_setting(
+		ESCProjectSettingsManager.ACTION_DEFAULT_SCRIPT
+	).empty():
+		escoria.logger.info(
+			self,
+			"Project setting '%s' is not set. No action defaults will be used."
+					% ESCProjectSettingsManager.ACTION_DEFAULT_SCRIPT
+		)
+	else:
+		escoria.action_default_script = escoria.esc_compiler.load_esc_file(
+			ESCProjectSettingsManager.get_setting(
+				ESCProjectSettingsManager.ACTION_DEFAULT_SCRIPT
+			)
+		)
+
 	escoria.main = main
 
 	_perform_plugins_checks()