In the /install form, the value for SSH Server Domain is taken form the DOMAIN variable
and overwrites SSH_DOMAIN environment variable set the first time if nothing done
Co-authored-by: Adrian POIGET <adrian.poiget@viveris.fr>
* - rearrange the templates to make it more logical because now ssh_config is a template
- implemented the updating of the port to the same as the port sent to the gitea config
* change the filename back
