add warning in wzard (#297)

Co-authored-by: AlteredCoder <AlteredCoder>

wizard.sh

@@ -233,7 +233,10 @@ install_collection() {
     ${CSCLI_BIN_INSTALLED} install parser "crowdsecurity/whitelists" > /dev/null 2>&1 || log_err "fail to install collection crowdsec/whitelists"
     if [[ ${SILENT} == "false" ]]; then
         whiptail --msgbox "Out of safety, I installed a parser called 'crowdsecurity/whitelists'. This one will prevent private IP adresses from being banned, feel free to remove it any time." 20 50
+        whiptail --msgbox "CrowdSec alone will not block any IP address. If you want to block them, you must use a blocker. You can find them on https://hub.crowdsec.net/" 20 50
     fi
+
+
 }