Adds steps logic for the register form.

addons/godot-form-validator/validators/button_validator.gd

@@ -0,0 +1,14 @@
+@tool
+extends Validator
+class_name ButtonValidator
+
+
+func get_value(control: Control):
+	var button = control as Button
+	if not button:
+		return null
+	return button.button_pressed
+
+
+func is_type(node) -> bool:
+	return node is Button