Changelog

e4b7a87 add support for .pem cert format (#132)
ba458a2 Remove certificates, they are obsolete and are out of sync (#131)
9fc2470 expand the documentation regarding the certificates flashing (#129)
eef0eb6 fix panic when cannot download FirmwareIndex (#128)
b7f323a Add generic function to verify checksum (#120)
383d09c Relicense project as AGPL-3.0-or-later (#119)