JJ: adding helpers to handle ssh keys

README.md

 # Helper utilities and scripts
 
 Different helpful utilities and scripts
+
+- `init_key.sh` : edit and run this to initialize a ssh key, eg for handling repositories without necessity to type in passwords each time

init_key.sh

+#!/bin/bash
+
+# handling ssh keys
+# execute this with "source ${PATH_TO_SCRIPT}/init_key.sh
+
+# plug here your key name, eg "id_rsa"
+SSH_KEY_NAME=""
+
+if [ -z "$SSH_AUTH_SOCK" ]
+then
+  eval `ssh-agent -s`
+  ssh-add ~/.ssh/${SSH_KEY_NAME}
+fi
+