feat: Once the knowledge graph is ready, document how to invoke without invoking claude code.

[itsTeknas]

What problem are you trying to solve?

I know this is trivial but need a direct npx command to open the knowledge graph which is independent of any processing by LLMs.

Proposed solution (optional)

Publish the reader as a standalone package.

Alternatives you've considered

No response

Which part of the project?

No response

[itsTeknas]

I know this facility already exists but need to document it in the readme properly.
Use case is simple, others in team might not have claude code.