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

frontend/node_modules/levn/lib/index.js

@@ -1,22 +0,0 @@
-// Generated by LiveScript 1.6.0
-(function(){
-  var parseString, cast, parseType, VERSION, parsedTypeParse, parse;
-  parseString = require('./parse-string');
-  cast = require('./cast');
-  parseType = require('type-check').parseType;
-  VERSION = '0.4.1';
-  parsedTypeParse = function(parsedType, string, options){
-    options == null && (options = {});
-    options.explicit == null && (options.explicit = false);
-    options.customTypes == null && (options.customTypes = {});
-    return cast(parseString(parsedType, string, options), parsedType, options);
-  };
-  parse = function(type, string, options){
-    return parsedTypeParse(parseType(type), string, options);
-  };
-  module.exports = {
-    VERSION: VERSION,
-    parse: parse,
-    parsedTypeParse: parsedTypeParse
-  };
-}).call(this);