Docs: Update README

The link to the license was incorrect

README.md

@@ -1,6 +1,6 @@
 [![GitHub Workflow Status (master)](https://img.shields.io/github/actions/workflow/status/http-party/http-server/node.js.yml?style=flat-square&branch=master)](https://github.com/http-party/http-server/actions)
 [![npm](https://img.shields.io/npm/v/http-server.svg?style=flat-square)](https://www.npmjs.com/package/http-server) [![homebrew](https://img.shields.io/homebrew/v/http-server?style=flat-square)](https://formulae.brew.sh/formula/http-server) [![npm downloads](https://img.shields.io/npm/dm/http-server?color=blue&label=npm%20downloads&style=flat-square)](https://www.npmjs.com/package/http-server)
-[![license](https://img.shields.io/github/license/http-party/http-server.svg?style=flat-square)](https://github.com/http-party/http-server)
+[![license](https://img.shields.io/github/license/http-party/http-server.svg?style=flat-square)](https://github.com/http-party/http-server/blob/master/LICENSE)
 
 # http-server: a simple static HTTP server