README.md in keyevent-0.1.0 vs README.md in keyevent-1.0.0

@@ -2,24 +2,26 @@
 
 Handle key event.
 
 ## Installation
 
-Or install it yourself as:
-
 ```
 $ gem install keyevent
 ```
 
 ## Usage
 
-TODO: Write usage instructions here
+keyevent gem add `Kernel#getkey` method.
 
-## Development
+```ruby
+require "keyevent"
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+while input = getkey
+  break if input == "Q"
 
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+  p input
+end
+```
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/keyevent. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.