Docs: Integration/Vercel AI SDK

[whysosaket]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Documentation update

How Has This Been Tested?

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

Maintainer Checklist

• Made sure Checks passed

[CLAassistant]

All committers have signed the CLA.

[Dev-Khant]

Also you can add a note on the main page about integration with vercel-ai. You should replace this: https://github.com/mem0ai/mem0/blob/main/docs/overview.mdx?plain=1#L5