* fixed network automation index issues
* replace :doc: with :ref:
* fixed anchor misspelling
* fix toc/nav issue -do not put toctree under a subheader
(cherry picked from commit 1c42198f1e)
* fixed network automation index issues
* replace :doc: with :ref:
* fixed anchor misspelling
* fix toc/nav issue -do not put toctree under a subheader
(cherry picked from commit 1c42198f1e)