Main: Added inital support for Debian 11

Added Debian 11 as supported os
Added deb11 to all places were deb10 was in a if statement

Temporarily replaced MySQL with MariaDB,
since the MySQL repo is not yet avalible

CMS/nextcloud/conf.sh

@@ -47,7 +47,7 @@ fi
 
 #PHP 8.0 Settings
 if [ "$phpVerBranch" = "8x" ]; then
-  if [ "$shortdist" = "ubu1804" ] || [ "$shortdist" = "ubu2004" ] || [ "$shortdist" = "deb10" ] ; then
+  if [ "$shortdist" = "ubu1804" ] || [ "$shortdist" = "ubu2004" ] || [ "$shortdist" = "deb10" ] || [ "$shortdist" = "deb11" ] ; then
     if ! grep -Fxq "apc.enable_cli=1" /etc/php/${phpver}/mods-available/apcu.ini; then
         echo "apc.enable_cli=1" >> /etc/php/${phpver}/mods-available/apcu.ini
     fi