Added dialogue manager plugin

addons/dialogue_manager/utilities/error.gd

@@ -0,0 +1,11 @@
+class_name DMError extends RefCounted
+
+var line_number: int
+var column_number: int
+var error: int
+
+
+func _init(data: Dictionary) -> void:
+	line_number = data.get("line_number", 0)
+	column_number = data.get("column_number", 0)
+	error = data.get("error", DMConstants.ERR_UNKNOWN_ERROR)