Release API - Version 2, complete NFT flow

Welcome Travelers to V2 of the API

For those that want to use the legacy V1 of the API please point your branch lookup to version-1x-final

This version has introduced NFT flow functionality and has a hard dependency of using node 16 or higher.

What's Changed

• Beta token issuance by @mattsmithies in #21
• Use default network look up by @mattsmithies in #22
• Create and bequest tokens to an account by @mattsmithies in #25
• Updating client to use JSON parsed token balance by @mattsmithies in #26
• Test fork merge to bypass the test/secret issues by @mattsmithies in #29
• Fork/merge test by @mattsmithies in #30
• Merge to trust enterprises master. by @mattsmithies in #28
• [Hotfix] - Catch accounts currently associated by @mattsmithies in #32
• Adding a Singleton to load and retain Hedera client by @mattsmithies in #33
• Feature account holdings by @mattsmithies in #36
• Complete API NFT flow; creation, metadata generation, minting, transfers and claims by @mattsmithies in #39

Full Changelog: v1.0.3...2.0.1