code: function handleMeta(doc, title) {
    // If this is an image we need to not try and parse it
    if (imageRegex.test(title)) {
      return {}
    }
    const md = new MetaRemarkable()
    const page = md.render(doc)
  
    // Initialize an empty object
    let lowerMeta = {}
  
    // transform meta keys to lowercase (easier to work with)
    if (page.meta){
      lowerMeta = _.transform(page.meta, function (result, val, key) {
        result[key.toLowerCase()] = val
      })
    }
    return lowerMeta
  }
docs: /*
  handleMeta
  @param {String} doc
  @return Object of YAML metadata from meta-remarkable to lowercase keys