Add Lectrobox org and PIDs 0x71C4 (LectroTIC-4 Timestamper) + 0x71C5 (PG-4 Pulse Generator)

[jelson]

Adds a new organization (Lectrobox) and two project PIDs for open-source Lectrobox instruments.

Org: Lectrobox — https://lectrobox.com/

0x71C4 — LectroTIC-4 4-Channel Pulse Timestamper

• Project page: https://lectrobox.com/products/timestamper/
• Source: https://github.com/jelson/rulos/tree/main/src/app/timestamper (GPLv3)
• Hardware design files: https://github.com/jelson/rulos/tree/main/Schematics/Timestamper
• An STM32H523-based time-interval counter that streams timestamps over USB CDC and accepts SCPI configuration commands on the same endpoint.

0x71C5 — PG-4 4-Channel Pulse Generator

• Project page: https://lectrobox.com/products/pulsegen/
• Source: https://github.com/jelson/rulos/tree/main/src/app/pulsegen (GPLv3)
• Hardware design files: https://github.com/jelson/rulos/tree/main/Schematics/PulseGen
• An STM32G474-based 4-channel pulse generator with 250 ps edge placement, four independent channels, SYNC/ASYNC modes and N-cycle bursts, configured with SCPI over USB CDC.