added routes and basic chart

backend/app.js

@@ -20,7 +20,7 @@ app.get("/", (req,res) => {
 });
 
 app.get("/userData", (req, res) => {
-  console.log(req.query);
+  //console.log(req.query);
   user = req.query.user;
   let rawdata = fs.readFileSync(`${user}.json`);
   let userData = JSON.parse(rawdata);