readthedocs setup?

[shiba24]

Hi, thank you for the great cookie cutter! I recently started using it.
I think I setup the readthedocs following https://cookiecutter-hypermodern-python.readthedocs.io/en/2022.6.3.post1/guide.html , however, the readthedocs is not triggered automatically on the update of main (or release). Currently I'm building it manually.
The readthedocs Admin page shows something like the attached image:

How can I configure to trigger builds automatically? Do I need secrets or something?