FreeBSD install guide

[Makioro]

Hello
Can you add install guide for FreeBSD?
Thanks

[github-actions]

Hello there! As you are a first time Issuer please check whether your issue description is reasonable and complete. If you are having an issue always include the versions you are using (NodeJs, Typescript, ...) as well as a way to reproduce it. Thank you for reading! Now continue :)

[bostrot]

I did not test this but as long as you installed docker on your FreeBSD machine you can just follow the docker part in the wiki.