chore: use orange on 404 badge

libs/serve-404.js

@@ -4,7 +4,7 @@ module.exports = (req, res) => {
   req.params = {
     subject: 'Badgen',
     status: '404',
-    color: 'red'
+    color: 'orange'
   }
   serveBadge(req, res, { code: 200 })
 }