old_contents: const addCollabs = require('add-collabs');
  const remindMerge = require('remind-merge');
  
  const defaults = {
    addCollaborators: {
      newCollaboratorMessage: 'Hi! I\'m the friendly :robot: of this repo.\n\nWe\'re happy you\'re here :wave:. Everyone is welcome here, so I\'m making you a collaborator. This will give you access to commit on this repo.',
      existingCollaboratorMessage: 'Hi! I\'m the friendly :robot: of this repo.\n\nI can see that you\'re already a collaborator. Any other issues are above my paygrade at the moment, so we\'ll have to wait for a pesky hu-man. Not to worry though, they\'ll drop by within 24 hours to answer your questions!'
    },
    remindMerge: {
      message: ':wave: hiya Please remember to delete your branch after merging or closing if you haven\'t done so already.'
    }
  };
  
  module.exports = async robot => {
    addCollabs(robot, defaults);
    remindMerge(robot, defaults);
  };
  
new_contents: const addCollabs = require('add-collabs');
  const remindMerge = require('remind-merge');
  
  const defaults = {
    addCollaborators: {
      newCollaboratorMessage: 'Hi! I\'m the friendly :robot: of this repo.\n\nWe\'re happy you\'re here :wave:. Everyone is welcome here, so I\'m making you a collaborator. This will give you access to commit on this repo.',
      existingCollaboratorMessage: 'Hi! I\'m the friendly :robot: of this repo.\n\nI can see that you\'re already a collaborator. Any other issues are above my paygrade at the moment, so we\'ll have to wait for a pesky hu-man. Not to worry though, they\'ll drop by within 24 hours to answer your questions!'
    },
    remindMerge: {
      message: ':wave: hiya Please remember to delete your branch after merging or closing if you haven\'t done so already.'
    }
  };
  
  module.exports = async robot => {
    addCollabs(robot, defaults, 'teacherbot.yml');
    remindMerge(robot, defaults, 'teacherbot.yml');
  };
  
subject: add config file param back in