Add changelog and move logo files to new assets folder.

Author: noplanman

CHANGELOG.md

@@ -6,6 +6,7 @@ Exclamation symbols (:exclamation:) note something of importance e.g. breaking c
 ## [Unreleased]
 :exclamation: After updating to this version, you will need to execute the [SQL migration script][unreleased-sql-migration] on your database.
 ### Added
+- New logo! (#954)
 - Bot API 4.2 (Polls).
 - `getIsMember()` method to `ChatMember` entity.
 - `getForwardSenderName()` method to `Message` entity.

README.md

@@ -12,7 +12,7 @@
 [![Minimum PHP Version](http://img.shields.io/badge/php-%3E%3D5.6-8892BF.svg)](https://php.net/)
 [![License](https://img.shields.io/packagist/l/Longman/telegram-bot.svg)](https://github.com/php-telegram-bot/core/LICENSE.md)
 
-
+![Telegram Bot API Logo](assets/logo/512px/logo_plain.png)
 
 A Telegram Bot based on the official [Telegram Bot API][Telegram-Bot-API]