ops: added additional warning about possible overwrites of existing custom installs

Author: jakeaturner

install/install_nomad.sh

@@ -335,7 +335,9 @@ setup_nvidia_container_toolkit() {
 }
 
 get_install_confirmation(){
-  read -p "This script will install/update Project N.O.M.A.D. and its dependencies on your machine. Are you sure you want to continue? (y/N): " choice
+  echo -e "${YELLOW}#${RESET} This script will install Project N.O.M.A.D. and its dependencies on your machine."
+  echo -e "${YELLOW}#${RESET} If you already have Project N.O.M.A.D. installed with customized config or data, please be aware that running this installation script may overwrite existing files and configurations. It is highly recommended to back up any important data/configs before proceeding."
+  read -p "Are you sure you want to continue? (y/N): " choice
   case "$choice" in
     y|Y )
       echo -e "${GREEN}#${RESET} User chose to continue with the installation."