* feat: introduce hardhat-deploy-config

Creates a new package hardhat-deploy-config. We're using the same
configuration system for all of our contracts package, so might as well
turn it into a hardhat plugin to avoid duplicating code.

* feat(ct): use hardhat-deploy-config

* plugin: don't validate if spec not passed

* contracts: update deps

* contracts-bedrock: use deploy config plugin

* contracts-bedrock: deploy instructions

* contracts-bedrock: modularize deployment

* contracts-bedrock: add deploy-config

* contracts-bedrock: add in deploy config spec

* lint: fix
Co-authored-by: Mark Tyneway <mark.tyneway@gmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>