WIP: New RPC MVP

MERGE REQUEST

Overview

Before merging, ensure the TODOs in worker.go are done:

// TODO: handle result chan
// TODO: add cooldown in case of failure

For documenting purposes: Downgraded golangci because of the following open issue https://github.com/golangci/golangci-lint/issues/827

Example for Visual changes (ie Screenshot)

Issues Closed

Checklist

Review and complete the checklist to ensure that the MR is complete before assigned to an approver.

• All new methods, or updating methods have clear docstrings
• Testing added or updated for new methods
• Any new packages are added to Makefile and .gitlab-ci.yml
• API documentation updated for API updates
• Module README.md updated for changes to work flow
• Issue added to Sia-UI repo for new supporting features
• Changelog updated