Add tutorial on scalable CMA-MAE variants

[HenryChen4]

Description

Created a brief scalable cma es tutorial that uses the custom es parameter for emitters.

Status

• [x] I have read the guidelines in CONTRIBUTING.md
• [x] I have formatted my code using yapf
• [x] I have tested my code by running pytest
• [x] I have linted my code with pylint
• [x] I have added a one-line description of my change to the changelog in HISTORY.md
• [x] This PR is ready to go