minor readme tweaks
minor readme tweaks

parro-it/electron-boilerplate,john-kelly/electron-boilerplate,mugizico/electron-boilerplate,john-kelly/electron-boilerplate,ZachAlanMueller/melos,vinaymavi/presenter,chrisbuttery/electron-boilerplate,chrisbuttery/electron-boilerplate,parro-it/electron-boilerplate,vinaymavi/presenter,sindresorhus/electron-boilerplate,ZachAlanMueller/melos,sindresorhus/electron-boilerplate,mugizico/electron-boilerplate