docs: add banner image

Author: MattDevy

packages/pi-continuous-learning/README.md

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+![pi-continuous-learning banner](docs/images/banner.png)
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 # pi-continuous-learning
 
 > A [Pi](https://github.com/nicholasgasior/pi-coding-agent) extension that watches your coding sessions and distils patterns into reusable **instincts** — atomic learned behaviours with confidence scoring, project scoping, and closed-loop feedback validation.
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 [![npm](https://img.shields.io/npm/v/pi-continuous-learning)](https://www.npmjs.com/package/pi-continuous-learning)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
 
-<!-- markdownlint-disable MD033 -->
-<a href="https://www.buymeacoffee.com/MattDevy"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-red.png" alt="Buy Me A Coffee" width="150"></a>
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 Inspired by [everything-claude-code/continuous-learning-v2](https://github.com/nicholasb/everything-claude-code), reimplemented as a native Pi extension in TypeScript.
 
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