Roughing out the demo app

node_modules/is-yarn-global/README.md

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+# is-yarn-global
+
+[![](https://img.shields.io/travis/LitoMore/is-yarn-global/master.svg)](https://travis-ci.org/LitoMore/is-yarn-global)
+[![](https://img.shields.io/npm/v/is-yarn-global.svg)](https://www.npmjs.com/package/is-yarn-global)
+[![](https://img.shields.io/npm/l/is-yarn-global.svg)](https://github.com/LitoMore/is-yarn-global/blob/master/LICENSE)
+[![](https://img.shields.io/badge/code_style-XO-5ed9c7.svg)](https://github.com/sindresorhus/xo)
+
+Check if installed by yarn globally without any `fs` calls
+
+## Install
+
+```bash
+$ npm install is-yarn-global
+```
+
+## Usage
+
+Just require it in your package.
+
+```javascript
+const isYarnGlobal = require('is-yarn-global');
+
+console.log(isYarnGlobal());
+```
+
+## License
+
+MIT © [LitoMore](https://github.com/LitoMore)