Add PID for Enilinx Flexbar

[icyqwq]

1. Flexbar is a versatile touch bar powered by the ESP32-S3, designed to provide functionality similar to the Apple Touch Bar. It has successfully raised $330K on Kickstarter.
   
2. ESP32-S3
3. We need a custom PID for the accompanying software (FlexbarDesigner) to automatically recognize and connect to Flexbar.
4. ENIAC (HK) Technology Ltd. 深圳市本栖电子科技有限公司
5. https://eniacelec.com/
   https://www.kickstarter.com/projects/1735591421/flexbar-a-versatile-and-fully-customizable-touch-bar-solution

[Spritetm]

Looks good, merged!