* Signed SSH commits can look in the UI like on GitHub, just like gpg keys today in Gitea
* SSH format can be added in gitea config
* SSH Signing worked before with DEFAULT_TRUST_MODEL=committer
`TRUSTED_SSH_KEYS` can be a list of additional ssh public key contents
to trust for every user of this instance
Closes#34329
Related #31392
---------
Co-authored-by: Lunny Xiao <[email protected]>
Co-authored-by: techknowlogick <[email protected]>
Co-authored-by: wxiaoguang <[email protected]>