docs(readme): use themed badges (#227)

* chore: move readme to `packages/toon/README.md` and symlink in the project root

* fix paths and exclude `packages/toon/README.md` from `eslint` to avoid double linting

* docs(readme): use themed badges

They will now match the logo theme

* fix license path

* chore: revert changes

---------

Co-authored-by: Johann Schopplich <mail@johannschopplich.com>

Author: okineadev

packages/toon/README.md

@@ -3,10 +3,10 @@
 # Token-Oriented Object Notation (TOON)
 
 [![CI](https://github.com/toon-format/toon/actions/workflows/ci.yml/badge.svg)](https://github.com/toon-format/toon/actions)
-[![npm version](https://img.shields.io/npm/v/@toon-format/toon.svg)](https://www.npmjs.com/package/@toon-format/toon)
-[![SPEC v3.0](https://img.shields.io/badge/spec-v3.0-lightgray)](https://github.com/toon-format/spec)
-[![npm downloads (total)](https://img.shields.io/npm/dt/@toon-format/toon.svg)](https://www.npmjs.com/package/@toon-format/toon)
-[![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE)
+[![npm version](https://img.shields.io/npm/v/@toon-format/toon.svg?labelColor=1b1b1f&color=fef3c0)](https://www.npmjs.com/package/@toon-format/toon)
+[![SPEC v3.0](https://img.shields.io/badge/spec-v3.0-fef3c0?labelColor=1b1b1f)](https://github.com/toon-format/spec)
+[![npm downloads (total)](https://img.shields.io/npm/dt/@toon-format/toon.svg?labelColor=1b1b1f&color=fef3c0)](https://www.npmjs.com/package/@toon-format/toon)
+[![License: MIT](https://img.shields.io/badge/license-MIT-fef3c0?labelColor=1b1b1f)](./LICENSE)
 
 **Token-Oriented Object Notation** is a compact, human-readable encoding of the JSON data model that minimizes tokens and makes structure easy for models to follow. It's intended for *LLM input* as a drop-in, lossless representation of your existing JSON.