Update footer.html

Author: ScriptTiger

elements/footer.html

@@ -11,6 +11,9 @@
             Conditions</a> | <a href="https://scripttiger.github.io/">Privacy
             Policy</a>&nbsp;| <a href="https://scripttiger.github.io/">Cookie
             Policy</a></p>
+        <p><a target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=MZ4FH4G5XHGZ4"><img
+              src="https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif"
+              alt="Donate"></a></p>
       </small></div>
   </body>
 </html>