Install/update the dependencies:
  npm install 
Make sure the code lints:
  npm run lint 
Make sure all of the tests pass:
  npm test 
Adhere to the coding conventions
 that are used elsewhere in the codebase.
New code must have new unit tests.
New features
 or changes to existing features
 must be documented in the readme file.
Add yourself to the authors file.
Feel free to open an issue first,
 if the change is one that you think
 needs some discussion.