Fixes fan blades favicon

Author: infews

_includes/head_custom.html

@@ -1,3 +1,3 @@
 <link rel="preconnect" href="https://fonts.googleapis.com">
 <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link rel="icon" href="/docs/assets/blades.svg"/>
+<link rel="icon" href="assets/blades.svg"/>