implementing external reply info

lib/src/telegram/model.dart

@@ -43,12 +43,6 @@ part 'models/chat_administrator_rights.dart';
 part 'models/chat_invite_link.dart';
 part 'models/chat_join_request.dart';
 part 'models/chat_location.dart';
-part 'models/reaction_type.dart';
-part 'models/reaction_type_emoji.dart';
-part 'models/reaction_count.dart';
-part 'models/message_reaction_updated.dart';
-part 'models/message_reaction_count_updated.dart';
-part 'models/reaction_type_custom_emoji.dart';
 part 'models/chat_member_administrator.dart';
 part 'models/chat_member_banned.dart';
 part 'models/chat_member_left.dart';
@@ -67,6 +61,7 @@ part 'models/dice.dart';
 part 'models/document.dart';
 part 'models/encrypted_credentials.dart';
 part 'models/encrypted_passport_element.dart';
+part 'models/external_reply_info.dart';
 part 'models/file.dart';
 part 'models/force_reply.dart';
 part 'models/forum_topic_closed.dart';
@@ -78,6 +73,8 @@ part 'models/game_high_score.dart';
 part 'models/game.dart';
 part 'models/general_forum_topic_hidden.dart';
 part 'models/general_forum_topic_unhidden.dart';
+part 'models/giveaway_winner.dart';
+part 'models/giveaway.dart';
 part 'models/inline_keyboard_button.dart';
 part 'models/inline_keyboard_markup.dart';
 part 'models/inline_query_result_article.dart';
@@ -123,6 +120,7 @@ part 'models/keyboard_button_request_chat.dart';
 part 'models/keyboard_button_request_user.dart';
 part 'models/keyboard_button.dart';
 part 'models/labeled_price.dart';
+part 'models/link_preview_options.dart';
 part 'models/location.dart';
 part 'models/login_url.dart';
 part 'models/mask_position.dart';
@@ -133,6 +131,9 @@ part 'models/menu_button.dart';
 part 'models/message_auto_delete_timer_changed.dart';
 part 'models/message_entity.dart';
 part 'models/message_id.dart';
+part 'models/message_origin.dart';
+part 'models/message_reaction_count_updated.dart';
+part 'models/message_reaction_updated.dart';
 part 'models/message.dart';
 part 'models/order_info.dart';
 part 'models/passport_data.dart';
@@ -153,6 +154,10 @@ part 'models/poll_option.dart';
 part 'models/poll.dart';
 part 'models/pre_checkout_query.dart';
 part 'models/proximity_alert_triggered.dart';
+part 'models/reaction_count.dart';
+part 'models/reaction_type_custom_emoji.dart';
+part 'models/reaction_type_emoji.dart';
+part 'models/reaction_type.dart';
 part 'models/reply_keyboard_markup.dart';
 part 'models/reply_keyboard_remove.dart';
 part 'models/reply_markup.dart';