GitLab

* optims

* fix path

* fix path

* mdx

* fix path

* toctree

* fix

* optimizer, adagrad

* add init

* add

* more apis

* params

* clarify

* run pre-commit hooks

---------
Co-authored-by: Titus von Koeller <9048635+Titus-von-Koeller@users.noreply.github.com>