```ruby
# coding: utf-8

require File.expand_path("../lib/benchmark/memory/version", __FILE__)

Gem::Specification.new do |spec|
  spec.name          = "benchmark-memory"
  spec.version       = Benchmark::Memory::VERSION
  spec.authors       = ["Michael Herold"]
  spec.email         = ["michael.j.herold@gmail.com"]

  spec.summary       = "Benchmark-style memory profiling for Ruby 2.1+"
  spec.description   = spec.summary
  spec.homepage      = "https://github.com/michaelherold/benchmark-memory"
  spec.license       = "MIT"

  spec.files = %w(CHANGELOG.md LICENSE.md README.md Rakefile)
  spec.files += %w(benchmark-memory.gemspec)
  spec.files += Dir["lib/**/*.rb"]
  spec.require_paths = ["lib"]

  spec.add_dependency "memory_profiler", "~> 0.9"

  spec.add_development_dependency "bundler", "~> 1.12"
end
```

Include the contributing guide in the gem
user
```ruby
# coding: utf-8

require File.expand_path("../lib/benchmark/memory/version", __FILE__)

Gem::Specification.new do |spec|
  spec.name          = "benchmark-memory"
  spec.version       = Benchmark::Memory::VERSION
  spec.authors       = ["Michael Herold"]
  spec.email         = ["michael.j.herold@gmail.com"]

  spec.summary       = "Benchmark-style memory profiling for Ruby 2.1+"
  spec.description   = spec.summary
  spec.homepage      = "https://github.com/michaelherold/benchmark-memory"
  spec.license       = "MIT"

  spec.files = %w(CHANGELOG.md CONTRIBUTING.md LICENSE.md README.md Rakefile)
  spec.files += %w(benchmark-memory.gemspec)
  spec.files += Dir["lib/**/*.rb"]
  spec.require_paths = ["lib"]

  spec.add_dependency "memory_profiler", "~> 0.9"

  spec.add_development_dependency "bundler", "~> 1.12"
end
```
assistant