Undocumented services from Seraphim Sense

[CosmicPenguin]

These services are currently undocumented by http://angelsensor.com/develop/ (as read by peripheral-explorer.js from noble.

552508f924ba457882baf6d5987e8c41
  8122f3c049f24bcf94f98fd31924bff6 (Firmware Update Featur)
    properties  read
    value       ff00b77a | '^?^@7z'
  1761d84e542a481d90e86db098bdbb60 (Firmware Update Contro)
    properties  write, notify
  3b8e7983133a4a0f90fc82006ed55505 (Protocol Revision)
    properties  read
    value       01 | '^A

41e1bd6a9e39441c9312b6e862472480
  99a10dd8d78f4a578e95ae584c34177e (Terminal Control Point)
    properties  write, notify
  df38f376d3b911e4b9d61681e6b88ec1 (JSON BLE Log)
    properties  notify