chg: [doc] Add bootstrap function for Kali

INSTALL/INSTALL.kali.txt

@@ -7,10 +7,24 @@
 #
 #1/ Prepare Kali with a MISP User
 #--------------------------------
-# useradd -s /bin/bash -m -G adm,cdrom,sudo,dip,plugdev,www-data misp
-# passwd misp
-# su - misp
+# To install MISP on Kali copy paste this in your r00t shell:
 # sh -c "$(curl -fsSL https://raw.githubusercontent.com/MISP/MISP/2.4/INSTALL/INSTALL.kali.txt)"
+# /!\ Please read the installer script before randomly doing the above.
+# The script is tested on a plain vanilla Kali Linux Boot CD and installs quite a few dependencies.
+
+function kaliOnRootR0ckz () {
+  if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root"
+   exit 1
+  else
+    useradd -s /bin/bash -m -G adm,cdrom,sudo,dip,plugdev,www-data misp
+    passwd misp
+    su -m misp
+    cd ~misp
+  fi
+}
+
+kaliOnRootR0ckz
 
 # MISP configuration variables
 PATH_TO_MISP='/var/www/MISP'