release(v1.7.0): asset cache-busting pipeline, public siteConfig cache, JS core split, and caching/security polish

public/api/siteConfig.php

@@ -0,0 +1,9 @@
+<?php
+// public/api/siteConfig.php
+
+
+require_once __DIR__ . '/../../config/config.php';
+require_once PROJECT_ROOT . '/src/controllers/UserController.php';
+
+$userController = new UserController();
+$userController->siteConfig();