[tool] age_calculator

[github-actions]

Tool Request

Description: Calculate age in years from a birthday (YYYY-MM-DD)

Signature

run(birthday: str) -> str

Example
age_calculator "1990-05-15" -> "36"

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This issue was auto-generated. Pick it up by commenting below!

[aishwarya983]

Hi! I'd like to work on this issue as my first open-source contribution. I'll implement the age_calculator tool and add the required tests.

[github-actions]

Assigned to @aishwarya983! Good luck and have fun building this tool.