Adding some stuff

backend/index.js

@@ -0,0 +1,43 @@
+const express = require('express');
+const cors = require('cores');
+const app = express();
+const PORT = 3000;
+
+// app.use(cors()); // this is for security, eventually we need it so that 
+// see for yourself what happens when you get to the front end stage^
+
+let score = 0;
+
+
+app.get('/', (req, res) => {
+    res.send('hello world!');
+});
+
+app.get(`/score`, (req, res) => {
+    res.send(`${score}`);
+});
+
+
+// path not working here:
+// app.patch('score', (req, res) => {
+//     score += parseInt(req.query.val);
+//     res.send(`${score}`);
+// });
+
+
+// eventually you will need to send the backend a guess, and tell them whether or not it was wrong.
+// one way is through status codes, here is one way:
+app.patch('/score', (req, res) => {
+    score += parseInt(req.query.val);
+    res.status(250).send(`${score}`);
+});
+// different number ranges mean different things. Will have to do it for later endpoints.
+
+
+// one more package cors
+
+app.listen(PORT, () => {
+    console.log(`Backend is running on https://localhost:${PORT}`);
+})
+
+// nodemon is not working