Update Readme with rake compile step

Author: Anil Maurya

README.md

@@ -124,9 +124,9 @@ FastJsonparser.parse("123: 1") # FastJsonparser::ParseError (parse error)
 ```
 ## Development
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+After checking out the repo, run `rake compile` to install dependencies. Then, run `rake test` to run the tests.
 
-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).
+For more option, refer https://github.com/rake-compiler/rake-compiler
 
 ## Contributing