moving to custom swap engine

Signed-off-by: ari melody <ari@arimelody.me>

public/script/header.js

@@ -1,14 +1,12 @@
 const header_links = document.getElementById("header-links");
 const hamburger = document.getElementById("header-links-toggle");
 
-function toggle_header_links() {
-        header_links.classList.toggle("open");
-}
-
 document.addEventListener("click", event => {
         if (!header_links.contains(event.target) && !hamburger.contains(event.target) && !header_links.href) {
                 header_links.classList.remove("open");
         }
 });
 
-hamburger.addEventListener("click", event => { toggle_header_links(); });
+hamburger.addEventListener("click", event => {
+        header_links.classList.toggle("open");
+});