Update public/auth.html

public/auth.html

@@ -44,6 +44,10 @@
                 <button type="submit" class="btn btn-primary">
                     <i class="fas fa-sign-in-alt"></i> Login
                 </button>
+              <div class="cf-turnstile" 
+     data-sitekey="0x4AAAAAAB8kM_8LvhuBsO6_"
+     data-callback="onTurnstileSuccess">
+</div>
             </form>
 
             <form id="registerForm" class="auth-form" style="display: none;">