Update README.md

fix badges
use %20 in URL to avoid of upstream error

README.md

@@ -1,4 +1,4 @@
-# napa [![Build Status](http://img.shields.io/travis/shama/napa.svg?label=Travis CI build)](https://travis-ci.org/shama/napa) [![AppVeyor](https://img.shields.io/appveyor/ci/shama/napa.svg?label=AppVeyor build)](https://ci.appveyor.com/project/shama/napa/branch/master) [![Code Climate](https://img.shields.io/codeclimate/coverage/github/shama/napa.svg)](https://codeclimate.com/github/shama/napa) [![David](https://img.shields.io/david/shama/napa.svg)](https://david-dm.org/shama/napa) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)
+# napa [![Build Status](http://img.shields.io/travis/shama/napa.svg?label=Travis%20CI%20build)](https://travis-ci.org/shama/napa) [![AppVeyor](https://img.shields.io/appveyor/ci/shama/napa.svg?label=AppVeyor%20build)](https://ci.appveyor.com/project/shama/napa/branch/master) [![Code Climate](https://img.shields.io/codeclimate/coverage/github/shama/napa.svg)](https://codeclimate.com/github/shama/napa) [![David](https://img.shields.io/david/shama/napa.svg)](https://david-dm.org/shama/napa) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)
 
 A helper for installing repos without a `package.json` with npm.