Add class tags

queries/tags.scm

@@ -8,6 +8,19 @@
   function: (identifier) @name) @reference.call
 ; }}}
 
+; Class {{{
+(class_declaration
+  name: (identifier) @name) @definition.class
+(type_declaration
+  name: (identifier) @name
+  (class_type)) @definition.class
+
+(new_expression
+  class: (type_identifier) @name) @reference.class
+(extends_qualifier
+  super: (type_identifier) @name) @reference.class
+; }}}
+
 ; Methods {{{
 (method_declaration
   name: (identifier) @name) @definition.method

test/tags/classes.tig

@@ -0,0 +1,9 @@
+class A {}
+/*    ^ definition.class */
+
+type B = class extends A {}
+/*   ^ definition.class */
+/*                     ^ reference.class */
+
+var object := new B
+/*                ^ reference.class */