Add RBS annotations for actual_args and param_to_arg in Binding class

Author: ydah

lib/lrama/grammar/binding.rb

@@ -4,6 +4,9 @@
 module Lrama
   class Grammar
     class Binding
+      # @rbs @actual_args: Array[Lexer::Token]
+      # @rbs @param_to_arg: Hash[String, Lexer::Token]
+
       # @rbs (Array[Lexer::Token] params, Array[Lexer::Token] actual_args) -> void
       def initialize(params, actual_args)
         @actual_args = actual_args

sig/generated/lrama/grammar/binding.rbs

@@ -3,6 +3,10 @@
 module Lrama
   class Grammar
     class Binding
+      @actual_args: Array[Lexer::Token]
+
+      @param_to_arg: Hash[String, Lexer::Token]
+
       # @rbs (Array[Lexer::Token] params, Array[Lexer::Token] actual_args) -> void
       def initialize: (Array[Lexer::Token] params, Array[Lexer::Token] actual_args) -> void