Update web page icon

Author: mwenge

docs/images/claw.png

@@ -18,7 +18,7 @@
     <meta property="og:image" content="https://tempest.homemade.systems/images/cover_front.png">
 
     <link rel="stylesheet" href="style.css">
-    <link rel="icon" type="image/x-icon" href="images/cover_front.svg" id="icon">
+    <link rel="icon" type="image/x-icon" href="images/claw.png" id="icon">
 <style>
 body {
   letter-spacing:-0.3px;