Add ZK library classes for device interaction and user management

- Implemented Os class for retrieving OS information.
- Added Pin class for getting PIN width.
- Created Platform class for fetching platform details and version.
- Developed SerialNumber class to retrieve device serial number.
- Introduced Ssr class for SSR information retrieval.
- Implemented Time class for setting and getting device time.
- Added User class for user management including setting, getting, clearing, and removing users.
- Created Util class with various utility functions for command handling and data processing.
- Implemented Version class for fetching device version.
- Added WorkCode class for retrieving work code information.
- Set up Composer autoloading for the ZK library.

zklib/vendor/composer/autoload_real.php

@@ -0,0 +1,45 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit20e92c6b69b73d8b1e592132f9d729fb
+{
+    private static $loader;
+
+    public static function loadClassLoader($class)
+    {
+        if ('Composer\Autoload\ClassLoader' === $class) {
+            require __DIR__ . '/ClassLoader.php';
+        }
+    }
+
+    public static function getLoader()
+    {
+        if (null !== self::$loader) {
+            return self::$loader;
+        }
+
+        spl_autoload_register(array('ComposerAutoloaderInit20e92c6b69b73d8b1e592132f9d729fb', 'loadClassLoader'), true, true);
+        self::$loader = $loader = new \Composer\Autoload\ClassLoader();
+        spl_autoload_unregister(array('ComposerAutoloaderInit20e92c6b69b73d8b1e592132f9d729fb', 'loadClassLoader'));
+
+        $map = require __DIR__ . '/autoload_namespaces.php';
+        foreach ($map as $namespace => $path) {
+            $loader->set($namespace, $path);
+        }
+
+        $map = require __DIR__ . '/autoload_psr4.php';
+        foreach ($map as $namespace => $path) {
+            $loader->setPsr4($namespace, $path);
+        }
+
+        $classMap = require __DIR__ . '/autoload_classmap.php';
+        if ($classMap) {
+            $loader->addClassMap($classMap);
+        }
+
+        $loader->register(true);
+
+        return $loader;
+    }
+}