feat(auth): implement user authentication system

backend/node_modules/lodash.isboolean/README.md

@@ -0,0 +1,18 @@
+# lodash.isboolean v3.0.3
+
+The [lodash](https://lodash.com/) method `_.isBoolean` exported as a [Node.js](https://nodejs.org/) module.
+
+## Installation
+
+Using npm:
+```bash
+$ {sudo -H} npm i -g npm
+$ npm i --save lodash.isboolean
+```
+
+In Node.js:
+```js
+var isBoolean = require('lodash.isboolean');
+```
+
+See the [documentation](https://lodash.com/docs#isBoolean) or [package source](https://github.com/lodash/lodash/blob/3.0.3-npm-packages/lodash.isboolean) for more details.