Added rough versioning system

installer.sh

@@ -32,6 +32,7 @@ fi
 repo=https://git.ictmaatwerk.com/VPS-scripts/Web-V2
 branch=PostfixTesting
 branchtype=branch #=branch for branch and =tag for release
+CompatVer=2
 #Installer-config
 phpver=7.4
 PHPMyadmin=1 #Overwriten by cms's without php
@@ -374,7 +375,7 @@ fi
 mkdir -p /etc/ICTM/sites
 echo "InstDate=$(date "+%d-%B-%Y")" >> /etc/ICTM/mainvar.list
 
-for storeme in PKGM PKGI PKGUC PKGUP PKGLIST OUTPUT IMODE shortdist repo branch branchtype webserv email shortdist hostname; do
+for storeme in PKGM PKGI PKGUC PKGUP PKGLIST OUTPUT IMODE shortdist repo branch branchtype webserv email shortdist hostname CompatVer; do
     declare -p $storeme | cut -d ' ' -f 3- >> /etc/ICTM/mainvar.list
 done