added convenience example of ssh configs

util/ssh-config.example

@@ -0,0 +1,30 @@
+Host atlas
+        HostName 10.1.1.1
+
+Host ares
+        HostName 10.1.1.2
+        User virgil
+
+Host apollo
+        HostName 10.1.1.3
+        User virgil
+
+Host artemis
+        HostName 10.1.1.4
+        User virgil
+
+Host cupid1
+        HostName 10.1.1.5
+        User virgil
+
+Host cupid2
+        HostName 10.1.1.6
+        User virgil
+
+Host cupid3
+        HostName 10.1.1.7
+        User virgil
+
+Host cupid4
+        HostName 10.1.1.8
+        User virgil