* usage shared run playbook script extended with user doc

* example with alternate ssh port
* remove todo from yadm, because that is realized in dotfiles repo

run-playbook.sh

@@ -14,6 +14,7 @@ usage() {
     echo "Usage: run-vps-playbook.sh server playbook"
     echo "server - domain or ip address of the vps server"
     echo "playbook - playbook file"
+    echo "[user] - if choose the use it, otherwise used root"
 }
 
 if [[ -z "$SERVER" ]]; then