Dev-Umgebung: Kompatibilität für PHP 8.3 + Smarty 4.5.6

- Smarty 4.1.1 → 4.5.6 (behebt dynamic property deprecations)
- Core-Klassen: #[\AllowDynamicProperties] für Admin_role, base, Config,
  Customer, Customer_group, CustomerGroups, Item, Structure, website
- website.class.php: counts[parent_id] initialisieren vor ++ (PHP 8.1)
- layout.class.php: HTTP_ACCEPT_LANGUAGE mit isset-Guard
- website_init.php: session_status()-Check vor session_start
- .htaccess: HTTPS-Redirect via X-Forwarded-Proto (statt SERVER_PORT)
- themes/easyshop_advanced/media/: Parent-Theme-Assets nachgezogen
- .gitignore: smarty.4.1.1.bak ausschließen

libs/smarty/docs/programmers/api-functions/api-config-load.md

@@ -0,0 +1,47 @@
+configLoad()
+
+loads config file data and assigns it to the template
+
+Description
+===========
+
+void
+
+configLoad
+
+string
+
+file
+
+string
+
+section
+
+This loads [config file](#config.files) data and assigns it to the
+template. This works identically to the template
+[`{config_load}`](#language.function.config.load) function.
+
+> **Note**
+>
+> As of Smarty 2.4.0, assigned template variables are kept across
+> invocations of [`fetch()`](#api.fetch) and
+> [`display()`](#api.display). Config vars loaded from `configLoad()`
+> are always global in scope. Config files are also compiled for faster
+> execution, and respect the [`$force_compile`](#variable.force.compile)
+> and [`$compile_check`](#variable.compile.check) settings.
+
+
+    <?php
+    // load config variables and assign them
+    $smarty->configLoad('my.conf');
+
+    // load a section
+    $smarty->configLoad('my.conf', 'foobar');
+    ?>
+
+       
+
+See also [`{config_load}`](#language.function.config.load),
+[`getConfigVars()`](#api.get.config.vars),
+[`clearConfig()`](#api.clear.config), and
+[`config variables`](#language.config.variables)