function getFileNames() {
  return new Promise((resolve, reject) => {
    fs.readdir(SRC_FOLDER, (err, files) => {
      if (err) {
        return reject(err)
      }
      const cleanedFileNames = files.filter(
        (fileName) => !pathsToSkip.includes(fileName)
      )
      const mappedFileNames = cleanedFileNames.map((fileName) => {
        const newName = fileRenames[fileName] || fileName
        return { src: fileName, dest: `${newName.replace('.js', '')}.md` }
      })
      resolve(mappedFileNames)
    })
  })
}
Get a list of file names
@returns {Promise} Resolves with a list of file names