Roughing out the demo app

node_modules/is-npm/readme.md

@@ -0,0 +1,33 @@
+# is-npm [![Build Status](https://travis-ci.org/sindresorhus/is-npm.svg?branch=master)](https://travis-ci.org/sindresorhus/is-npm)
+
+> Check if your code is running as an [npm](https://docs.npmjs.com/misc/scripts) or [yarn](https://yarnpkg.com/lang/en/docs/cli/run/) script
+
+
+## Install
+
+```
+$ npm install is-npm
+```
+
+
+## Usage
+
+```js
+const {isNpm} = require('is-npm');
+
+console.log(isNpm);
+```
+
+```sh
+$ node foo.js
+#=> false
+$ npm run foo
+#=> true
+$ yarn run foo
+#=> true
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)