Show WHM-specific next steps when cPanel is detected

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/install.sh

@@ -135,6 +135,9 @@ fi
 
 echo ""
 echo "Next steps:"
-echo "  1. Run 'gniza init' to create your configuration"
-echo "  2. Or copy /etc/gniza/gniza.conf.example to /etc/gniza/gniza.conf"
-echo "  3. Run 'gniza status' to verify your setup"
+if [[ -d /usr/local/cpanel ]]; then
+    echo "  Open WHM → GNIZA Backup Manager to configure via the setup wizard."
+else
+    echo "  1. Run 'gniza init' to create your configuration"
+    echo "  2. Run 'gniza status' to verify your setup"
+fi