Release v2.6

update core. support Get Challenge of opengpg

Release v2.5

Merge remote-tracking branch 'https/master'

Release v2.4

update to the latest core

Release v2.3.1

add the CI config file

v2.2

update core

v2.1

update LICENSE

v2.0

update core

v1.9

OATH bug fix

v1.8

Merge branch 'master' of github.com:canokeys/canokey-stm32

v1.7

update core and disable nfc temporarily