[Docs] Update changelog and bump version

Author: lindyhopchris

CHANGELOG.md

@@ -2,7 +2,7 @@
 All notable changes to this project will be documented in this file. This project adheres to
 [Semantic Versioning](http://semver.org/) and [this changelog format](http://keepachangelog.com/).
 
-## Unreleased
+## [3.0.0] - 2020-09-09
 
 ### Added
 - [#545](https://github.com/cloudcreativity/laravel-json-api/issues/545)

LICENSE

@@ -187,7 +187,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright 2020 Cloud Creativity Limited
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.