Add yet-another-react-lightbox package and update .gitignore to exclude node_modules

frontend/node_modules/shebang-regex/readme.md

@@ -1,33 +0,0 @@
-# shebang-regex [![Build Status](https://travis-ci.org/sindresorhus/shebang-regex.svg?branch=master)](https://travis-ci.org/sindresorhus/shebang-regex)
-
-> Regular expression for matching a [shebang](https://en.wikipedia.org/wiki/Shebang_(Unix)) line
-
-
-## Install
-
-```
-$ npm install shebang-regex
-```
-
-
-## Usage
-
-```js
-const shebangRegex = require('shebang-regex');
-
-const string = '#!/usr/bin/env node\nconsole.log("unicorns");';
-
-shebangRegex.test(string);
-//=> true
-
-shebangRegex.exec(string)[0];
-//=> '#!/usr/bin/env node'
-
-shebangRegex.exec(string)[1];
-//=> '/usr/bin/env node'
-```
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)