Extracted typed response mappings to telegram-bot-types gem

Fixes #75

gemfiles/rails_52.gemfile

@@ -10,7 +10,7 @@ group :development do
   gem "pry", "~> 0.10.1"
   gem "pry-byebug", "~> 3.2.0"
   gem "sdoc", "~> 0.4.1"
-  gem "telegram-bot-types", "~> 0.3.0"
+  gem "telegram-bot-types", "~> 0.6.0"
   gem "rspec", "~> 3.5.0"
   gem "rspec-its", "~> 1.1.0"
   gem "rspec-rails", "~> 3.5.0"