To add a script in Tampermonkey
Select the TamperMonkey icon Click on Add new script
The script editor opens, you can enter:
When you have written your script, click on the backup icon. The window is automatically closed to return to the list of scripts.
You can edit this script by clicking the tampermonkey icon and then clicking Dashboard.
You see the list of scripts managed by Tampermonkey. Click on the item to edit, the script editor opens. So you can edit it and save it when you’re done.