Merge branch 'add-www'
Update changelog
Add server setup introduction
Add docker www service
Solve redirection to https in traefik labels
Switch link to mailing list for the list address
Merge branch 'release/0.8.0'
Update changelog
Merge branch 'move-to-sr.ht'
Update changelog
Add upgrade to v0.8.0 section
Fix domain name variable in clients
Clear up upgrade/update sytax
Overwrite systemd config files if exists
Include chat to default systemd config file
Reformat readme
Remove contribution section, add mailing list
Remove gitlab links from changelog
Clone from sr.ht
Update readme with damn-deploy
Merge branch 'refactor/complement-doc'