Merge pull request 'fix extlinux.conf.version' (#4) from develop into main

Reviewed-on: https://gitea.home.com:3000/TolaMironcenko/up_go/pulls/4

api/frontend/app.js

@@ -378,7 +378,7 @@ document.addEventListener("DOMContentLoaded", function () {
     "u-boot-sunxi-with-spl.bin": document.getElementById(
       "date-u-boot-sunxi-with-spl.bin",
     ),
-    "extlinux.conf": document.getElementById("date-extlinux.conf"),
+    "extlinux/extlinux.conf": document.getElementById("date-extlinux.conf"),
   };
 
   async function checkFileDates() {