add config.html,

add config.js,
add getURIData function to parse URI search params

scripts/config.js

@@ -0,0 +1,8 @@
+import {request, goToPage, getURIData} from "./utils.js";
+
+window.addEventListener("DOMContentLoaded", init);
+
+async function init () {
+	let uriData = getURIData();
+	console.log(uriData);
+}

scripts/utils.js

@@ -84,4 +84,9 @@ export function goToPage (page, data={}) {
 		url.searchParams.append(k, data[k]);
 	}
 	window.location.href = url.toString();
+}
+
+export function getURIData () {
+	let url = new URL(window.location.href);
+	return Object.fromEntries(url.searchParams);
 }