Add SendInvoice method and object

src/TgBotLib/Objects/SendInvoice.php

@@ -0,0 +1,65 @@
+<?php
+
+    namespace TgBotLib\Objects;
+
+    use TgBotLib\Abstracts\Method;
+    use TgBotLib\Bot;
+
+    class SendInvoice extends Method
+    {
+
+        /**
+         * @inheritDoc
+         */
+        public static function execute(Bot $bot, array $parameters = []): Message
+        {
+
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getRequiredParameters(): ?array
+        {
+            return [
+                'chat_id',
+                'title',
+                'description',
+                'payload',
+                'currency',
+                'prices',
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function getOptionalParameters(): ?array
+        {
+            return [
+                'message_thread_id',
+                'provider_token',
+                'max_tip_amount',
+                'suggested_tip_amounts',
+                'start_parameter',
+                'provider_data',
+                'photo_url',
+                'photo_size',
+                'photo_width',
+                'photo_height',
+                'need_name',
+                'need_phone_number',
+                'need_email',
+                'need_shipping_address',
+                'send_phone_number_to_provider',
+                'send_email_to_provider',
+                'is_flexible',
+                'disable_notification',
+                'protect_content',
+                'allow_paid_broadcast',
+                'message_effect_id',
+                'reply_parameters',
+                'reply_markup'
+            ];
+        }
+    }