Update Installer.sh

Added dialog questions for username and hostname.
Storing username in system.
Added downloading of AddHost.sh tool to /opt/

Debian:
Setting up configured hostname.
Seting up timezone to Amsterdam.
Removing default MOTD.
Adding custom MOTD.

Installer.sh

@@ -39,6 +39,12 @@ fi
 #   Menu     #
 ##----------##
 
+NAME=$(whiptail --nocancel --inputbox "What is your name?" 8 39 John --title "Welcome" 3>&1 1>&2 2>&3)
+HOSTNAME=$(whiptail --nocancel --inputbox "What is the name of this machine?\n(only az-AZ 0-9 characters are allowed)" 8 43 PiHole --title "Welcome $NAME!" 3>&1 1>&2 2>&3)
+HOSTNAME=$(echo $HOST | tr -dc '[:alnum:]\n\r')
+
+
+
 if [[ $dist == "Alpine" ]]; then
   if (whiptail --title "Setup" --yesno "Use an APT-Cacher?" 8 78); then
     CACHE=$(whiptail --inputbox "What is the IP address for APT-Cacher?" 8 78 192.168.1.102 --title "Setup" 3>&1 1>&2 2>&3)
@@ -117,7 +123,11 @@ if [[ $dist == "Alpine" ]]; then
 fi
 
 if [[ $dist == "Debian" ]]; then
+  hostnamectl set-hostname $HOSTNAME
+  timedatectl set-timezone Europe/Amsterdam
   IP=`hostname -I` && IP=$(echo $IP | cut -d' ' -f2,3)
+  rm /etc/motd
+  rm /etc/update-motd.d/10-uname
 fi
 
 mkdir -p /etc/pihole
@@ -245,9 +255,25 @@ if [[ $L2R == "true" ]]; then
 fi
 
 
+##--------------##
+#   Store Vars   #
+##--------------##
+
+echo $NAME > /etc/username
+#echo $OPTIONS >> /etc/installedmodules
+#sed -i 's/\s\+/\n/g' /etc/installedmodules
+#sed -i 's/\"//g' /etc/installedmodules
+
+
 ##-------------##
 #   Finishing   #
 ##-------------##
 
+wget $GIT/$BRANCH/Tools/AddHost.sh -O /opt/AddHost.sh
+
+if [[ $dist == "Debian" ]]; then
+  wget $GIT/$BRANCH/MOTD/greetings.sh -O /etc/profile.d/greeting.sh
+fi
+
 whiptail --title "Done!" --msgbox "Pi-Hole is now available on http://$IP/admin\n\nPress OK to continue." 10 78
 exit