Add GetUpdates method for fetching updates

src/TgBotLib/Methods/GetUpdates.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace TgBotLib\Methods;
+
+use TgBotLib\Abstracts\Method;
+use TgBotLib\Bot;
+use TgBotLib\Enums\Methods;
+use TgBotLib\Objects\Update;
+
+class GetUpdates extends Method
+{
+
+    /**
+     * @inheritDoc
+     */
+    public static function execute(Bot $bot, array $parameters = []): array
+    {
+        return array_map(
+            fn($update) => Update::fromArray($update),
+            self::executeCurl(self::buildPost($bot, Methods::GET_UPDATES->value, $parameters))['result']
+        );
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getRequiredParameters(): ?array
+    {
+        // TODO: Implement getRequiredParameters() method.
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getOptionalParameters(): ?array
+    {
+        // TODO: Implement getOptionalParameters() method.
+    }
+}