Release v2.0.0-beta.1

First beta of v2

Breaking changes

• clarify_api node only supports client credentials file for authentication. All override fields has been removed.
• Errors are no longer being sent as an output, they are only sent as an error, and can be handled using a catch node.
• Drop support for Node 12 and older
• Drop support for Node Red v1
• Output matches API responses for Integration.insert and Integration.saveSignals

Other change

• clarify_insert node has a new appearance