* feat: add support for SFTP volume backend
* feat: allow more secure SFTP connection with known hosts
* refactor: make default value for skip host key check to false
* refactor: use os.userInfo when setting uid/gid in mount commands
* test: backups service
* refactor: create hono app in a separate file
To avoid side effects like db migration or startup scripts when testing
test(backups): add security tests to the backups controller
* ci: run typechecks, build and tests on PR
* test: controllers security tests
* chore: update lock file
* refactor: pr feedbacks
