♿ external link for newsletter

site/index.html

@@ -19,7 +19,7 @@
             <a href="about.html">about</a>
             <a href="comics.html">comics</a>
             <a href="projects.html">projects</a>
-            <a href="#newsletter">newsletter</a>
+            <a href="https://pencilbooth.com/puercito" target="_blank" rel="noopener noreferrer">newsletter<img src="images/icons/external.svg" alt="" class="external-icon"></a>
             <a href="links.html">links</a>
             <a href="contact.html">contact</a>
             <a href="now.html">now</a>