+ReadTheDocs verify script. Installs and runs tox.
+
+:Required parameters:
+
+ :doc-dir: Document directory.
+ :python-version: Python version.
+
+lf-rtdv3-build
+---------------
+
+Read the docs scripts that leverage the new Read the Docs v3 api
+`RTD v3 API <https://docs.readthedocs.io/en/stable/api/v3.html>`_
+Runs tox to verify that the docs are good and then runs the RTDv3 shell script.
+This script handles creating projects as needed, assiging subprojects to the main
+read the docs project and triggering builds to update the documentation.
+Jobs will run but skip verify bits until a .readthedocs.yaml is found in the root
+of their repository.
+