feat: add authentication and admin features

- Added `jose` library for JWT token generation and verification.
- Implemented login functionality with token storage using cookies.
- Created `HeaderAdmin` component for admin panel with login/logout capabilities.
- Developed `LoginForm` component for user authentication.
- Added `Table` component to display data with caching from localStorage.
- Introduced `SubHeaderAdmin` for additional admin actions.
- Enhanced `database.js` with functions for admin login and fetching table data.
- Updated `server.js` to handle new routes for login and table data retrieval.
- Modified `package.json` and `package-lock.json` to include new dependencies.

backend/server.js

@@ -1,7 +1,8 @@
 import express from "express";
 import cors from "cors";
 import env from "dotenv";
-import { query } from "./services/database.js";
+import { query, loginAdmin, getTableData } from "./services/database.js";
+import { generateToken, authenticate } from "./services/tokenService.js";
 env.config();
 const app = express();
 const port = 8002;
@@ -24,6 +25,26 @@ app.post("/lose", async (req, res) => {
   }
 });
 
+app.get("/table-data", authenticate, async (req, res) => {
+  const result = await getTableData();
+  if (result.success) {
+    res.status(200).json(result.data);
+  } else {
+    res.status(500);
+  }
+});
+
+app.post("/login", async (req, res) => {
+  const { username, password } = req.body;
+  const result = await loginAdmin(username, password);
+  if (result.success) {
+    const token = await generateToken({ username });
+    res.status(200).json({ success: true, token });
+  } else {
+    res.status(401).json({ success: false });
+  }
+});
+
 app.listen(port, () => {
   console.log(`Server is running on port: ${port}`);
 });