Nanogpt

[ezhang7423]

Type of pull request:

• [ ] Bug fix
• [x] Feature
• [ ] Other

Description:

[Provide a brief description of the changes introduced by this pull request.]

Related Issues:

[Reference any related issues that this pull request addresses or closes. Use the syntax Closes #issue_number to automatically close the linked issue upon merging.]

Checklist:

• [ ] I have read and followed the contribution guidelines.
• [ ] I have added necessary documentation (if applicable).
• [ ] The changes pass all existing tests.

Screenshots/logs (if applicable):