add: added a user page and button to delete them

back/api/auth.js

@@ -50,6 +50,12 @@ router.post('/register', async (req, res) => {
     const hash = sha256(password);
     await addUser(connection, username, hash);
     connection.end();
+
+    req.sockets.emit({
+        type: 'new_user',
+        username: username,
+    });
+
     res.send({ message: 'User added' });
 });