mark

build(deps): bump github.com/rs/zerolog from 1.35.0 to 1.35.1

UPD attachment.go: optimize checksum computation skipping when already set

feat: add 'default' as valid Content-Appearance value

build(deps): bump golang.org/x/text from 0.35.0 to 0.36.0

Feature/robust comment preservation (#768)