Adding first cut of code to render alternations

Still need to implement lines to the individual parts

src/js/parser/javascript.js

@@ -2,8 +2,10 @@ import parser from './javascript/grammar.peg';
 
 import Root from './javascript/root.js';
 import Regexp from './javascript/regexp.js';
+import Match from './javascript/match.js';
 
 parser.Parser.Root = Root;
 parser.Parser.Regexp = Regexp;
+parser.Parser.Match = Match;
 
 export default parser;