load js file correctly on sub-paths

Author: karstenkoehler

config.json

@@ -3,7 +3,7 @@
   "baseUrl": "https://techradar.aoe.com",
   "editUrl": "https://github.dev/AOEpeople/techradar/blob/main/radar/{release}/{id}.md",
   "logoFile": "logo.svg",
-  "jsFile": "js/init.js",
+  "jsFile": "/js/init.js",
   "toggles": {
     "showChart": true,
     "showTagFilter": true,