lang: Tidy up grouping of lexer tokens in the parser

Just some small cleaning.

lang/parser.y

@@ -83,9 +83,10 @@ func init() {
 %token COMMA COLON SEMICOLON
 %token ELVIS ROCKET ARROW DOT
 %token STR_IDENTIFIER BOOL_IDENTIFIER INT_IDENTIFIER FLOAT_IDENTIFIER
-%token MAP_IDENTIFIER STRUCT_IDENTIFIER VARIANT_IDENTIFIER VAR_IDENTIFIER IDENTIFIER
-%token VAR_IDENTIFIER_HX CAPITALIZED_IDENTIFIER
+%token MAP_IDENTIFIER STRUCT_IDENTIFIER VARIANT_IDENTIFIER VAR_IDENTIFIER
+%token VAR_IDENTIFIER_HX
 %token RES_IDENTIFIER CAPITALIZED_RES_IDENTIFIER
+%token IDENTIFIER CAPITALIZED_IDENTIFIER
 %token CLASS_IDENTIFIER INCLUDE_IDENTIFIER
 %token IMPORT_IDENTIFIER AS_IDENTIFIER
 %token COMMENT ERROR