many changes

README.md

@@ -32,6 +32,10 @@ chmod 755 /var/www
 - run nix-shell -p netdata --run "netdata-claim.sh -id=$(uuidgen)" as root
 - your node should be registered in Netdata cloud
 
+# Borg Backup
+add ssh key to hetzner
+cat ~/.ssh/id_rsa.pub | ssh -p23 u149513-subx@u149513-subx.your-backup.de install-ssh-key
+
 # 4. Add new Host
 ```console
 sftp host.cloonar.com@git.cloonar.com:/config/bootstrap.sh ./