Create LICENSE - Githubissues

Description

[ ] I have fully tested the proposed changes and promise that they will not break everything into chaos.
[ ] I have also tested the proposed changes in combination with various popular addons and can confirm my changes do not break them.
[ ] I followed the existing code standards and didn't mess up the formatting.
[ ] I did my best to add documentation to any public classes or methods I added.
[ ] I have added Nonnull and Nullable annotations to my methods to indicate their behaviour for null values
[ ] I added sufficient Unit Tests to cover my code.