Ensure that class_name A extends B wraps on two lines, according to the official style guide

Close #89

Author: NathanLovato

queries/gdscript.scm

@@ -89,7 +89,7 @@
     (#delimiter! "\n"))
 (source
     (class_name_statement
-        extends: (extends_statement) @prepend_space)
+        extends: (extends_statement) @prepend_hardline)
     @append_delimiter @append_hardline (#delimiter! "\n"))
 
 ; CONST DEFINITIONS

tests/code_order/sample_unordered.gd

@@ -3,7 +3,6 @@
 class_name TestClass extends Node
 
 ## This is a docstring for the test class
-
 func _enter_tree():
 	pass
 
@@ -59,6 +58,7 @@ class InnerClass:
 class _PrivateInnerClass:
 	var _inner_private: String = "inner"
 
+
 signal test_signal(value: int)
 
 enum TestEnum { OPTION_A, OPTION_B, OPTION_C }

tests/expected/class_name.gd

@@ -1,3 +1,5 @@
-class_name Player extends CharacterBody2D
+class_name Player
+extends CharacterBody2D
 
-class_name UI extends Control
+class_name UI
+extends Control

tests/expected/comments_basic.gd

@@ -1,6 +1,7 @@
 # first line comment
 @tool
-class_name Aaa extends Node
+class_name Aaa
+extends Node
 
 # after extends comment
 

tests/expected/extends_basic.gd

@@ -1 +1,2 @@
-class_name MyNode extends Node
+class_name MyNode
+extends Node

tests/expected/extends_leading_comment_no_spacing.gd

@@ -1,2 +1,3 @@
 # comment
-class_name MyNode extends Node
+class_name MyNode
+extends Node

tests/expected/extends_leading_comment_spacing_var.gd

@@ -1,4 +1,5 @@
 # comment
-class_name MyNode extends "res:/path.gd"
+class_name MyNode
+extends "res:/path.gd"
 
 var a = 10

tests/expected/extends_one_var.gd

@@ -1,3 +1,4 @@
-class_name MyNode extends Node
+class_name MyNode
+extends Node
 
 var a = 10

tests/expected/extends_string_path_var_no_spacing.gd

@@ -1,3 +1,4 @@
-class_name MyNode extends "res:/path.gd"
+class_name MyNode
+extends "res:/path.gd"
 
 var a = 10

tests/expected/extends_string_path_var_too_much_spacing.gd

@@ -1,3 +1,4 @@
-class_name MyNode extends "res:/path.gd"
+class_name MyNode
+extends "res:/path.gd"
 
 var a = 10