WIP - add extractor, generate snippet_data

node_modules/lodash.flattendeep/README.md

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+# lodash.flattendeep v4.4.0
+
+The [lodash](https://lodash.com/) method `_.flattenDeep` exported as a [Node.js](https://nodejs.org/) module.
+
+## Installation
+
+Using npm:
+```bash
+$ {sudo -H} npm i -g npm
+$ npm i --save lodash.flattendeep
+```
+
+In Node.js:
+```js
+var flattenDeep = require('lodash.flattendeep');
+```
+
+See the [documentation](https://lodash.com/docs#flattenDeep) or [package source](https://github.com/lodash/lodash/blob/4.4.0-npm-packages/lodash.flattendeep) for more details.