update badges

Author: thornjad

README.md

@@ -1,6 +1,6 @@
 [![build status](https://img.shields.io/travis/http-party/http-server.svg?style=flat-square)](https://travis-ci.org/http-party/http-server)
-[![dependencies status](https://img.shields.io/david/http-party/http-server.svg?style=flat-square)](https://david-dm.org/http-party/http-server)
-[![npm](https://img.shields.io/npm/v/http-server.svg?style=flat-square)](https://www.npmjs.com/package/http-server)
+![Libraries.io dependency status for GitHub repo](https://img.shields.io/librariesio/github/http-party/http-server?style=flat-square)
+[![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)
 
 # http-server: a command-line http server