Update README.md

[nikniknikbbb]

=)

Greptile Overview

Greptile Summary

This PR makes a small documentation-only change in README.md, updating the section header from ## What you can do to ## What you can do with it.

The change does not alter any links, badge URLs, or referenced anchors, and it does not introduce any Markdown formatting issues.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk.
• The diff is a single README heading text change with no functional impact; no broken Markdown, links, or anchors were introduced.
• No files require special attention

_{(2/5) Greptile learns from your feedback when you react with thumbs up/down!}

Context used:

• Context from dashboard - AGENTS.md (source)

[vercel]

@nikniknikbbb is attempting to deploy a commit to the Amantus Machina Team on Vercel.

A member of the Team first needs to authorize it.