old_contents: module.exports = {
    'hotkey': 'alt+space',
    'theme': 'tinytacoteam/dark-theme',
    'plugins': [],
  }
  
new_contents: module.exports = {
    'hotkey': 'alt+space',
    'theme': 'tinytacoteam/light-theme',
    'plugins': [
      'tinytacoteam/calculator',
    ],
  }
  
subject: Update the default zazu file to have more sensible defaults.