Add PHPDocs generated by ChatGPT,

add additional clarification to some functions,
add addNewsComment function and API, currently untested and not implemented in the client,
fix a bunch of stuff that PHPStorm pointed out

lib/config.php

@@ -1,4 +1,28 @@
 <?php
+/**
+ * Loads and returns the configuration settings for the router.
+ *
+ * This configuration includes various paths, default settings, security levels, SEO settings,
+ * and other parameters essential for the operation of the router and the website's page management.
+ * The configuration array is structured to provide easy access to paths, protocols, permissions,
+ * and other critical settings that define how the router handles requests and serves content.
+ *
+ * @return array Returns an associative array containing all router configuration settings, such as:
+ *               - 'inlining': Boolean value determining if CSS/JS should be inlined.
+ *               - 'domain': The primary domain name of the website.
+ *               - 'tld': Top-level domain for the website.
+ *               - 'default_page': Default page to load if no specific page is requested.
+ *               - 'default_site': Default site to load if no specific site is requested.
+ *               - 'template_dir': Directory path where templates are stored.
+ *               - 'endpoint_dir': Directory path for endpoint scripts.
+ *               - 'page_dir': Directory path where site pages are stored.
+ *               - 'protocol': Protocol to be used (e.g., 'https://').
+ *               - 'site_prefix': Prefix for the site title.
+ *               - 'permissions': Associative array of user permissions by role.
+ *               - 'page': Default settings for pages including secret status and permissions.
+ *               - 'newsarticle': Default permissions for news articles.
+ *               - 'seo': Search engine optimization settings like author, description, and keywords.
+ */
 function loadRouterConfig(): array
     {