Migrate Dark/light mode to a user settings instead of global setting, created new include called router.php to dynamically prepend ../../ to asset pathes based off currect directory depth

includes/router.php

@@ -0,0 +1,11 @@
+<?php
+
+// URI Router
+// Currently unused, but the idea is to dynamically prepend ../../ to asset paths (like includes, libraries, etc.)
+// based on the current directory depth. This allows us to support deeply nested folder structures.
+
+if ($_SERVER['REQUEST_URI'] === '/user/reports') {
+    $prepend_uri = "../";
+} else {
+    $prepend_uri = '';
+}