Add gem-release as dev dependency

Author: ahangarha

Gemfile.lock

@@ -109,6 +109,7 @@ GEM
     execjs (2.7.0)
     ffi (1.15.5)
     formatador (1.1.0)
+    gem-release (2.2.2)
     globalid (1.0.1)
       activesupport (>= 5.0)
     guard (2.18.0)
@@ -248,6 +249,7 @@ DEPENDENCIES
   codeclimate-test-reporter
   coffee-rails
   es5-shim-rails (>= 2.0.5)
+  gem-release
   guard
   guard-minitest
   jbuilder

react-rails.gemspec

@@ -19,6 +19,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'codeclimate-test-reporter'
   s.add_development_dependency 'coffee-rails'
   s.add_development_dependency 'es5-shim-rails', '>= 2.0.5'
+  s.add_development_dependency 'gem-release'
   s.add_development_dependency 'guard'
   s.add_development_dependency 'guard-minitest'
   s.add_development_dependency 'jbuilder'