- Use the new createRpcSigsFromNim for client json-rpc API
- Avoid importing any nimbus/rpc specifics, use only web3 and
fluffy local rpc code
- Adjust tools making use of the client side API
* Add nph check to fluffy CI lint
* Add a section on nph usage in the fluffy.guide
* Update copyright years for altered files
* Avoid chained methods formatting style in db code
* Update nph in CI to v0.5
* Remove leftover commented import
* Move comment to avoid nph turning complex list into simple list (nph bug)
* Update nph in CI to v0.5.1
* Formatting fluffy with nph v0.5.1