add PVE check

vm/haos-vm-v3.sh

@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 echo -e "Loading..."
+PVE=$(pveversion | grep "pve-manager/7" | wc -l)
 GEN_MAC=$(echo '00 60 2f'$(od -An -N3 -t xC /dev/urandom) | sed -e 's/ /:/g' | tr '[:lower:]' '[:upper:]')
 NEXTID=$(pvesh get /cluster/nextid)
 RELEASE=$(curl -sX GET "https://api.github.com/repos/home-assistant/operating-system/releases" | awk '/tag_name/{print $4;exit}' FS='[""]')
@@ -49,6 +50,13 @@ function cleanup() {
 
 TEMP_DIR=$(mktemp -d)
 pushd $TEMP_DIR >/dev/null
+    
+if [[ "$PVE" != "1" ]]; then
+    echo -e "${RD}This script requires Proxmox Virtual Environment 7.0 or greater${CL}"
+    echo -e "Exiting..."
+    sleep 2
+    exit
+fi
 
 while true; do
     clear