function isEntryPresent(entry, file) {
  const rcPath = addInstallParentDir(file)
  if (!existsSync(rcPath)) {
    return false
  }
  const rcFileContents = readFileSync(rcPath, 'utf8')
  return rcFileContents.includes(entry)
}
@param {string} entry
@param {string} file
@returns {boolean}