Added:

- PGP key option for authenticating and connecting via SSH
- Setting individual subkey passphrases in PGP key manager
- Declare sensitive fields of extra content by adding asterisks around keys or by using `gopass` syntax
- Allow custom port setting for Git via http

Changed:

- Disabled Keystore-provided SSH keys option after Play Services update

Fixed:

- App crash when handling expired PGP keys.
- Handling of password items that were encrypted to multiple subkeys
- Enhanced feedback on encryption/decryption success and PGP key availability
- Extra content formatting
