Generic Green Proofs Worker Nodes

Peer dependencies

``
@energyweb/node-red-contrib-energywebx
`

Normally user might want to install @energyweb/node-red-contrib-energywebx to utilise @energyweb/node-red-contrib-green-proof-worker fully.
The version is not restricted, as this package doesn't use @energyweb/node-red-contrib-energywebx directly.

`
@polkadot/api
`

@polkadot/api will be installed by @energyweb/node-red-contrib-energywebx. If user chooses to not install @energyweb/node-red-contrib-energywebx, then user has to install @polkadot/api` manually.