Add node modules and compiled JavaScript from main (#54)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/lowercase-keys/readme.md

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+# lowercase-keys [![Build Status](https://travis-ci.org/sindresorhus/lowercase-keys.svg?branch=master)](https://travis-ci.org/sindresorhus/lowercase-keys)
+
+> Lowercase the keys of an object
+
+
+## Install
+
+```
+$ npm install lowercase-keys
+```
+
+
+## Usage
+
+```js
+const lowercaseKeys = require('lowercase-keys');
+
+lowercaseKeys({FOO: true, bAr: false});
+//=> {foo: true, bar: false}
+```
+
+
+## API
+
+### lowercaseKeys(object)
+
+Returns a new object with the keys lowercased.
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)