message: change install to npm from yarn
diff: # 'aws not found' error
  echo 'export PATH=/usr/local/bin:~/.yarn/bin:~/.local/bin:$PATH' >>~/.bashrc
  -yarn install
  +# NOTE: Currently `yarn install` does not correctly install all items under `node_modules/.bin/foo`.
  +# NPM does seem to correctly do this. Once yarn is correctly installing all `.bin` items, this
  +# should be switched back to `yarn install`
  +npm install
  +
  