Added MenuButton Objects

src/TgBotLib/Objects/MenuButton/MenuButtonCommands.php

@@ -0,0 +1,66 @@
+<?php
+
+    /** @noinspection PhpMissingFieldTypeInspection */
+
+    namespace TgBotLib\Objects\MenuButton;
+
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+    use TgBotLib\Objects\MenuButton;
+
+    class MenuButtonCommands implements ObjectTypeInterface
+    {
+        /**
+         * @var string
+         */
+        private $type;
+
+        /**
+         * Type of the button, must be commands
+         *
+         * @return string
+         */
+        public function getType(): string
+        {
+            return $this->type;
+        }
+
+        /**
+         * Returns an array representation of the object
+         *
+         * @return string[]
+         */
+        public function toArray(): array
+        {
+            return [
+                'type' => $this->getType(),
+            ];
+        }
+
+        /**
+         * Constructs object from an array representation
+         *
+         * @param array $data
+         * @return ObjectTypeInterface
+         */
+        public static function fromArray(array $data): ObjectTypeInterface
+        {
+            $object = new self();
+
+            $object->type = $data['type'];
+
+            return $object;
+        }
+
+        /**
+         * Constructs object from MenuButton
+         *
+         * @param MenuButton $menuButton
+         * @return MenuButtonCommands
+         */
+        public static function fromMenuButton(MenuButton $menuButton): MenuButtonCommands
+        {
+            $object = new self();
+            $object->type = $menuButton->getType();
+            return $object;
+        }
+    }