Update README

Author: jacobwgillespie

README.md

@@ -1 +1,32 @@
 # ⚡ zap
+
+Zap is a lightweight HTTP server framework for Node.
+
+## Installation
+
+Install with your favorite package manager:
+
+```shell
+$ yarn add zap
+$ pnpm add zap
+$ npm install zap
+```
+
+## Usage
+
+```typescript
+import {route, router, serve} from 'zap'
+
+const app = router(
+  route('GET', '/', () => 'Hello World'),
+
+  route('GET', '/hello/:name', (req) => `Hello ${req.params.name}`),
+)
+
+const server = http.createServer(serve(app))
+server.listen(3000)
+```
+
+## License
+
+MIT License, see `LICENSE`.