docs: add optimizer docs hidden from docs build (#1014)

* add optimizer docs hidden from docs build

Signed-off-by: Jeremy Silva <jesilva@nvidia.com>

* docs: drop studio screenshots from insight-driven optimization page

The two PNGs were the only binary files in the diff, and pre-commit's
stash rollback in the lint-merge-conflict step fails to re-apply a binary
patch over the working-tree churn left by the earlier regenerating lints.
The Studio URLs in the text still point readers at both views.

Signed-off-by: Jeremy Silva <jesilva@nvidia.com>

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Signed-off-by: Jeremy Silva <jesilva@nvidia.com>

Author: jeremysilva1098