message: add a log message.
diff: @@ -70,6 +70,7 @@ export class MathPreview {
  setTimeout( () => { exceeded = true }, 5000)
  for (const tex of this.extension.manager.getIncludedTeX()) {
  if (exceeded) {
  + this.extension.logger.addLogMessage('Timeout error when parsing preambles in findProjectNewCommand.')
  throw new Error('Timeout Error in findProjectNewCommand')
  }
  const content = this.extension.manager.cachedContent[tex].content
  