Request PID 0x5453 for TapShard TOTP token - #1362

Please allocate VID:PID 1209:5453 to TapShard.

TapShard is a battery-powered TOTP token on an nRF52840 Pro Micro /
SuperMini-style board, running upstream Zephyr. It types codes over BLE HID on
button press. Its USB interface is a Mass Storage configuration drive: users
edit config.ini with a text editor, without a companion application.

• Owner: Mikhail Vladimirov (mi-v)
• Source and documentation: https://github.com/mi-v/tapshard
• License: MIT (application and independent bootloader); dependency notices:
  https://github.com/mi-v/tapshard/blob/main/THIRD_PARTY.md
• USB use: one application PID for the configuration drive. The independent
  bootloader contains no USB implementation; factory recovery keeps the
  existing board bootloader's USB identity.

This is a firmware project for existing boards, with documented battery and
button wiring rather than a new custom PCB. Linux and Windows configuration,
pairing, and keyboard operation have been tested on hardware. A project PID
would provide a consistent configuration-device identity across installations
and allow distributing ready-to-install firmware instead of requiring each
user to obtain an ID and rebuild. The source currently defaults to private-test
1209:0001; the allocated PID will be adopted after approval.