LambdaBuffers Licensing

[bladyjoker]

TODO:

• Figure out a license and apply in the repo

@GeorgeFlerovsky said

I don't think Catalyst itself has any licensing requirements for open-source, but in the CIP context IOG has required Apache 2.0 for code:

• https://github.com/cardano-foundation/CIPs/tree/master/CIP-0001#licensing
• http://www.apache.org/licenses/LICENSE-2.0
• Creative Commons CC-BY-4.0 for docs: https://creativecommons.org/licenses/by/4.0/legalcode