added https withe self sign ssl to backentd and healthcheck to frontend

backend/src/index.js

@@ -1,5 +1,8 @@
 import dotenv from 'dotenv';
+import fs from 'fs';
+import https from 'https';
 import express from 'express';
+import cors from 'cors';
 import path from 'path';
 import { fileURLToPath } from 'url';
 import apiRouter from './api.js';
@@ -12,6 +15,7 @@ const app = express();
 
 db.initDB();
 
+app.use(cors());
 app.use(express.json())
 app.use(express.urlencoded({ extended: true }))
 //app.use(express.static(path.join(__dirname, "public"), {
@@ -19,6 +23,11 @@ app.use(express.urlencoded({ extended: true }))
 //}));
 app.use("/api", apiRouter);
 
-const server = app.listen(5555, () => {
+const options = {
+  key: fs.readFileSync('server.key'),
+  cert: fs.readFileSync('server.cert')
+};
+
+const server = https.createServer(options, app).listen(5555, () => {
   console.log(`Server running on http://localhost:${server.address().port}`);
 });