docs: update readme

Author: BlankRiser

README.md

@@ -1,14 +1,41 @@
-# @devhaven/unit-conversion
+<p align="center">
+  <h1 align="center">@devhaven/unit-conversion</h1>
+  <p align="center">
+    An SDK for unit conversion. 
+    <br/>
+    by <a href="https://x.com/blank_riser">@blank_riser</a>
+  </p>
+</p>
 
-An SDK for unit conversion. 
 
-### How does it work?
+<p align="center">
+<a href="https://github.com/BlankRiser/unit-conversion/actions?query=branch%3Amain"><img src="https://github.com/BlankRiser/unit-conversion/actions/workflows/release.yml/badge.svg?event=push&branch=main" alt="Zod CI status" /></a>
+<a href="https://opensource.org/licenses/apache-2-0" rel="nofollow"><img src="https://img.shields.io/github/license/Blankriser/unit-conversion" alt="License"></a>
+</p>
 
-```ts
-const conversion = new Conversion();
 
-const result = conversion.value(10).from("meter").to("foot");
+## Features
+
+- Zero external dependencies
+- Works in Node.js and all modern browsers
+- Concise interface
+- Works with TypeScript and plain JS
+
+## Installation
+
+```sh
+npm install @devhaven/unit-conversion
+pnpm add @devhaven/unit-conversion
+bun add @devhaven/unit-conversion
 
-console.log(result);
+deno add jsr:@devhaven/unit-conversion
 ```
 
+### Basic Usage
+
+```ts
+import { Conversion } from "@devhaven/unit-conversion"
+
+const conversion = new Conversion();
+const result = conversion.value(10).from("meter").to("foot");
+```