add affilaite program

src/lib/components/Footer.svelte

@@ -185,6 +185,15 @@
               >Data Disclaimer</a
             >
           </li>
+          <li class="mt-2 inline-block mr-2 md:block md:mr-0">
+            <a
+              href="https://stocknear.lemonsqueezy.com/affiliates"
+              rel="noopener noreferrer"
+              target="_blank"
+              class="no-underline sm:hover:underline text-gray-100 sm:hover:text-blue-400"
+              >Affiliate Program</a
+            >
+          </li>
         </ul>
       </div>