add image_blacklist plugin option

INSTALL/grub/grub.cfg

@@ -1631,6 +1631,17 @@ if [ -n "$VTOY_PLUGIN_SYNTAX_ERROR" ]; then
     read vtInputKey 
 fi
 
+for vtTFile in ventoy.json ventoy_grub.cfg; do
+    if [ -f $vtoy_efi_part/ventoy/$vtTFile ]; then
+        clear
+        echo -e "\n You need to put $vtTFile in the 1st partition which hold the ISO files.\n"
+        echo -e " $vtTFile 放错分区了，请放到镜像分区里的 ventoy 目录下（此目录需要手动创建）！\n"
+        echo -e "\n press ENTER to continue (请按 回车 键继续) ..."
+        read vtInputKey
+    fi
+done
+
+
 #export necessary variable
 export theme
 export gfxmode