chore: condense node, keys, and contract into chain-signatures

[ChaoticTempest]

This condenses node, keys, and contract into chain-signatures. Hopefully rust-analyzer isn't taking too much time now with this

[ailisp]

LGTM

[github-actions]

Terraform Feature Environment Destroy (dev-623)

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Pusher: @volovyks, Action: pull_request, Working Directory: ``, Workflow: Terraform Feature Env (Destroy)