First stage for ssh key rotate and remove scripts

ReadMe.md

@@ -4,8 +4,26 @@
 - copy to server to
   - $ADMIN/.ssh (to be ended for admin user)
   - /etc/ssh/authorized_keys--master
-  - /etc/ssh/authorized_keys/$ADMIN
+  - /etc/ssh/authorized_keys/$USER
 
 Then remove old key
 
 Store ssh key name for current period
+
+## Scripts
+
+### rotate-ssh-keys.sh
+
+Will create a new key and deploy on the server and move the PEM part to the
+local SSH folder
+
+### remove-old-ssh-keys.sh
+
+Will check in the previous ssh public key folder and remove this entry from the remote server
+
+### Options
+
+- -h override single host name
+- -u override user name for a host
+- -f force key change
+- -n dry run