Add type for dkgClient in types.ts and use it in graphSearch.ts and dkgInsert.ts

[brkagithub]

Would be great if we add a TypeScript type which will allow us to use auto-complete and type inferencing for the main DKG operations (create, get, query). No need to cover every single operation from the client IMO

[github-actions]

This issue has been automatically marked as stale due to 30 days of inactivity.
If no further activity occurs within 7 days, it will be closed automatically. Please take action if this issue is still relevant.

[github-actions]

This issue has been automatically marked as stale due to 30 days of inactivity.
If no further activity occurs within 7 days, it will be closed automatically. Please take action if this issue is still relevant.