feat: Adan optimizer integration

[Benjamin-eecs]

Description

adan optimizer integration

Roadmap

• low-level alias
• high-level Optimizer
• high-level MetaOptimizer
• low-level alias test
• high-level Optimizer test
• import test
• api docs
• CHANGELOG

Checklist

• I have read the CONTRIBUTION guide. (required)
• My change requires a change to the documentation.
• I have updated the tests accordingly. (required for a bug fix or a new feature)
• I have updated the documentation accordingly.
• I have reformatted the code using make format. (required)
• I have checked the code using make lint. (required)
• I have ensured make test pass. (required)