npm install -g yo.
npm install -g generator-gulpplugin-coffee.
A working gulp plugin following the guidelines and best practices described in the gulp documentation, complete with a working workflow and test environment including Travis CI and Coveralls integration.
In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using gulp and npm-test. Plus, make sure to adhere to these commit message conventions.