Remove redundant logo text from nav

The SVG already contains the wordmark.

Author: dndungu

index.html

@@ -162,7 +162,7 @@
 <!-- Nav -->
 <nav>
   <div class="wrap">
-    <a href="/" class="logo"><img src="zerfoo.svg" alt="Zerfoo">Zerfoo</a>
+    <a href="/" class="logo"><img src="zerfoo.svg" alt="Zerfoo"></a>
     <button class="nav-toggle" onclick="document.querySelector('.links').classList.toggle('open')" aria-label="Menu">
       <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M3 12h18M3 6h18M3 18h18"/></svg>
     </button>