docs: update title font style

Author: nzbin

docs/index.html

@@ -40,6 +40,7 @@
       padding: 0 5px;
       content: attr(data-title);
       font-size: .75rem;
+      font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
       color: white;
       background-color: rgb(255, 25, 100);
       border-radius: .25rem 0 .25rem 0;