docs: add missing @agentic/platform readme

packages/platform/readme.md

@@ -0,0 +1,49 @@
+<p align="center">
+  <a href="https://agentic.so/publishing">
+    <img alt="Agentic" src="https://raw.githubusercontent.com/transitive-bullshit/agentic/main/apps/web/public/agentic-publishing-social-image-dark-github.jpg" width="640">
+  </a>
+</p>
+
+<p>
+  <a href="https://github.com/transitive-bullshit/agentic/actions/workflows/main.yml"><img alt="Build Status" src="https://github.com/transitive-bullshit/agentic/actions/workflows/main.yml/badge.svg" /></a>
+  <a href="https://www.npmjs.com/package/@agentic/platform"><img alt="NPM" src="https://img.shields.io/npm/v/@agentic/platform.svg" /></a>
+  <a href="https://prettier.io"><img alt="Prettier Code Formatting" src="https://img.shields.io/badge/code_style-prettier-brightgreen.svg" /></a>
+</p>
+
+# @agentic/platform <!-- omit from toc -->
+
+> Public SDK for developers building on top of the Agentic platform.
+
+- [Website](https://agentic.so/publishing)
+- [Docs](https://docs.agentic.so)
+
+## Install
+
+```bash
+npm i @agentic/platform
+```
+
+## Usage
+
+The main export of `@agentic/platform` is the `defineConfig(...)` function, which enables you to configure your Agentic project with full type safety and autocomplete.
+
+```ts
+import { defineConfig } from '@agentic/platform'
+
+export default defineConfig({
+  name: '<Your Project Name>',
+  description: '<A brief description of your project>',
+  origin: {
+    type: 'mcp',
+    url: '<Your Remote MCP Server URL>'
+  }
+})
+```
+
+## Docs
+
+See the [Agentic Publishing Quick Start](https://docs.agentic.so/publishing/quickstart) for more details.
+
+## License
+
+[GNU AGPL 3.0](https://choosealicense.com/licenses/agpl-3.0/)