```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'gmail/slack/notifier/version'

Gem::Specification.new do |spec|
  spec.name          = "gmail-slack-notifier"
  spec.version       = Gmail::Slack::Notifier::VERSION
  spec.authors       = ["Joe Nyland"]
  spec.email         = ["joenyland@me.com"]

  spec.summary       = "Sends notifications to Slack when Gmail receives an email."
  spec.homepage      = "https://github.com/MasterRoot24/gmail-slack-notifier"
  spec.license       = "MIT"

  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
  spec.bindir        = "exe"
  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  spec.add_development_dependency "bundler", "~> 1.11"
  spec.add_development_dependency "rake", "~> 10.0"
  spec.add_development_dependency "rspec", "~> 3.0"
  spec.add_development_dependency "travis"
  spec.add_development_dependency "codeclimate-test-reporter"

  spec.add_dependency "gmail"
  spec.add_dependency "slack-notifier"
end
```

Add Rubocop gem to allow it to be run locally
user
```ruby
# coding: utf-8
lib = File.expand_path('../lib', __FILE__)
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'gmail/slack/notifier/version'

Gem::Specification.new do |spec|
  spec.name          = "gmail-slack-notifier"
  spec.version       = Gmail::Slack::Notifier::VERSION
  spec.authors       = ["Joe Nyland"]
  spec.email         = ["joenyland@me.com"]

  spec.summary       = "Sends notifications to Slack when Gmail receives an email."
  spec.homepage      = "https://github.com/MasterRoot24/gmail-slack-notifier"
  spec.license       = "MIT"

  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
  spec.bindir        = "exe"
  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
  spec.require_paths = ["lib"]

  spec.add_development_dependency "bundler", "~> 1.11"
  spec.add_development_dependency "rake", "~> 10.0"
  spec.add_development_dependency "rspec", "~> 3.0"
  spec.add_development_dependency "travis"
  spec.add_development_dependency "codeclimate-test-reporter"
  spec.add_development_dependency "rubocop"

  spec.add_dependency "gmail"
  spec.add_dependency "slack-notifier"
end
```
assistant