minipack3n: Initial config for sensor_service (#320)

Summary:
Add `sensor_service.json` for the minipack3n sensor_service.

** Description **
- Include all sensor devices in `sensor_service.json` for minipack3n.
- This configuration has been tested on minipack3n.

Pull Request resolved: #320

Test Plan:
- Run the sensor_service with this configuration on minipack3n.
- Validate the generated logs to ensure functionality.

[20250214_mp3n_sensor_service_log.txt](https://github.com/user-attachments/files/18795107/20250214_mp3n_sensor_service_log.txt)

Reviewed By: somasun

Differential Revision: D69661392

Pulled By: kimdo8736

fbshipit-source-id: 5d06dbefcf961899ade6505c59bbbacdddcef9b2