Update gdscript queries (#4405)

* locals(gdscript): update locals

* folds(gdscript): add folds

* indents(gdscript): update indents with notes

* highlights(gdscript): update highlights

* docs(gdscript): add gdscript maintainer

* indents(gdscript): add ERROR auto indent

Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

* highlights(gdscript): use text.uri for get_node and node_path

* highlights(gdscript): add "@" of annotation as attribute

* highlights(gdscript): use keyword.operator for "new", match all attribute_call

* highlights(gdscript): update (underscore) and (pattern_open_ending)

---------

Co-authored-by: Amaan Qureshi <amaanq12@gmail.com>

queries/gdscript/locals.scm

@@ -1,10 +1,92 @@
-(function_definition) @definition.function
+;; Scopes
 
 [
-  (extends_statement)
-  (variable_statement)
-  (expression_statement)
   (if_statement)
+  (elif_clause)
+  (else_clause)
+  (for_statement)
+  (while_statement)
   (function_definition)
-  (body)
+  (constructor_definition)
+  (class_definition)
+  (match_statement)
+  (pattern_section)
+  (lambda)
+  (get_body)
+  (set_body)
 ] @scope
+
+;; Parameters
+
+(parameters (identifier) @definition.parameter)
+(default_parameter (identifier) @definition.parameter)
+(typed_parameter (identifier) @definition.parameter)
+(typed_default_parameter (identifier) @definition.parameter)
+
+;; Signals
+
+; Can gdscript 2 signals be considered fields?
+(signal_statement (name) @definition.field)
+
+;; Variable Definitions
+
+(const_statement (name) @definition.constant)
+; onready and export variations are only properties.
+(variable_statement (name) @definition.var)
+
+(setter) @reference
+(getter) @reference
+
+;; Function Definition
+
+((function_definition (name) @definition.function)
+ (#set! "definition.function.scope" "parent"))
+
+;; Lambda
+
+; lambda names are not accessible and are only for debugging.
+(lambda (name) @definition.function)
+
+;; Source
+
+(class_name_statement (name) @definition.type)
+
+(source (variable_statement (name) @definition.field))
+(source (onready_variable_statement (name) @definition.field))
+(source (export_variable_statement (name) @definition.field))
+
+;; Class
+
+((class_definition (name) @definition.type)
+ (#set! "definition.type.scope" "parent"))
+
+(class_definition
+  (body (variable_statement (name) @definition.field)))
+(class_definition
+  (body (onready_variable_statement (name) @definition.field)))
+(class_definition
+  (body (export_variable_statement (name) @definition.field)))
+(class_definition
+  (body (signal_statement (name) @definition.field)))
+
+; Although a script is also a class, let's only define functions in an inner class as
+; methods.
+((class_definition
+  (body (function_definition (name) @definition.method)))
+ (#set! "definition.method.scope" "parent"))
+
+;; Enum
+
+((enum_definition (name) @definition.enum))
+
+;; Repeat
+
+(for_statement . (identifier) @definition.var)
+
+;; Match Statement
+
+(pattern_binding (identifier) @definition.var)
+
+;; References
+
+(identifier) @reference