Add deprecation warnings to v1 webhook models line#355

Author: mokuzon

lib/line/bot/v1/event/base.rb

@@ -17,6 +17,8 @@ module Bot
     module Event
       class Base
         def initialize(src)
+          warn '[DEPRECATION] Webhook models in V1 is deprecated. Please use V2 instead.' unless ENV['SUPRESS_V1_DEPRECATION_WARNINGS']
+
           @src = src
         end