message: Add a link to a log message.
diff: @@ -88,7 +88,7 @@ export class Commander {
  return
  }
  if (rootFile === undefined || languageId === undefined) {
  - this.extension.logger.addLogMessage('Cannot find LaTeX root file.')
  + this.extension.logger.addLogMessage('Cannot find LaTeX root file. See https://github.com/James-Yu/LaTeX-Workshop/wiki/Compile#the-root-file')
  return
  }
  let pickedRootFile: string | undefined = rootFile
  