Add PollEvent to handle new poll updates

src/TgBotLib/Classes/Utilities.php

@@ -91,6 +91,11 @@
                 return UpdateEventType::POLL_ANSWER;
             }
 
+            if($update->getPoll() !== null)
+            {
+                return UpdateEventType::POLL;
+            }
+
             return UpdateEventType::UPDATE_EVENT;
         }
     }

src/TgBotLib/Enums/UpdateEventType.php

@@ -8,6 +8,7 @@
     use TgBotLib\Events\ChatMemberUpdatedEvent;
     use TgBotLib\Events\MyChatMemberUpdatedEvent;
     use TgBotLib\Events\PollAnswerEvent;
+    use TgBotLib\Events\PollEvent;
     use TgBotLib\Events\RemovedChatBoostEvent;
 
     enum UpdateEventType : string
@@ -19,4 +20,5 @@
         case CHAT_MEMBER_UPDATED = ChatMemberUpdatedEvent::class;
         case MY_CHAT_MEMBER_UPDATED = MyChatMemberUpdatedEvent::class;
         case POLL_ANSWER = PollAnswerEvent::class;
+        case POLL = PollEvent::class;
     }

src/TgBotLib/Events/PollEvent.php

@@ -0,0 +1,29 @@
+<?php
+
+    namespace TgBotLib\Events;
+
+    use TgBotLib\Abstracts\UpdateEvent;
+    use TgBotLib\Bot;
+    use TgBotLib\Enums\UpdateEventType;
+    use TgBotLib\Objects\Poll;
+
+    abstract class PollEvent extends UpdateEvent
+    {
+        /**
+         * @inheritDoc
+         */
+        public static function getEventType(): UpdateEventType
+        {
+            return UpdateEventType::POLL;
+        }
+
+        /**
+         * New poll state. Bots receive only updates about manually stopped polls and polls, which are sent by the bot
+         *
+         * @return Poll
+         */
+        protected function getPoll(): Poll
+        {
+            return $this->update->getPoll();
+        }
+    }