try to fix issues with logging in on linux (again)

public/login.html

@@ -11,7 +11,11 @@
 <form method="post" action="/login">
     <input type="text" name="username" placeholder="Username">
     <input type="password" name="password" placeholder="Password">
-    <button type="submit">Login</button>
+    <div class="auth-actions">
+        <button type="submit" id="login-button">Login</button>
+        <button type="button" id="register-button">Register</button>
+    </div>
+    <p id="auth-error" class="auth-error hidden"></p>
 </form>
 <div id="loading-screen" class="hidden">
     <div class="loading-text" id="loading-text">Loading...</div>
@@ -21,4 +25,4 @@
 </div>
 </body>
 <script src="frontend_login.js"></script>
-</html>
+</html>