Added missing record struct highlight (#229)

Co-authored-by: Gustavo Bogarín <[email protected]>

Author: gbogarinb

queries/highlights.scm

@@ -7,6 +7,7 @@
 (enum_declaration name: (identifier) @type)
 (struct_declaration (identifier) @type)
 (record_declaration (identifier) @type)
+(record_struct_declaration (identifier) @type)
 (namespace_declaration name: (identifier) @type)
 
 (constructor_declaration name: (identifier) @type)