parameterized NodeConnectionManager client manifest.

[tegefaulkes]

Description

This allows us to override what methods are callable on connections. It should allow us to tailor our agent-agent communication between PKE and PK. So a PKE agent can provide different functionality to a normal PK agent. This allows us to have different RPC endpoints for

Issues Fixed

• Related: https://github.com/MatrixAI/Polykey-Enterprise/issues/188
• REF ENG-614

Tasks

• 1. update the NodeConnectionManager to have the clientManifest passed in.
• 2. Create a test showcasing how to use a custom clientManifest.

Final checklist

• Domain specific tests
• Full tests
• Updated inline-comment documentation
• Lint fixed
• Squash and rebased
• Sanity check the final build

[linear]

ENG-614