Add copyright section

[sridharmeganathan]

Description

Readme copyright period range should be updated to 2023

Acceptance criteria

• Update the copyright license

Copyright © 2016-2024 Lisk Foundation

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see [http://www.gnu.org/licenses/.](http://www.gnu.org/licenses/)