Add FileReader dependecy, so scripts can utilise it

server.js

@@ -3,6 +3,7 @@ const bodyParser = require("body-parser");
 const { VM } = require("vm2");
 const { JSDOM } = require("jsdom");
 const cheerio = require("cheerio");
+var FileReader = require("filereader");
 
 const app = express();
 const port = 5000;
@@ -146,6 +147,7 @@ async function executeUserCode(
       HtmlResponse,
       TextResponse,
       FUNCTION_NAME,
+      FileReader,
     },
     require: {
       external: true,