Bookmarks are not implemented in the tsp-typescript-client

[bhufmann]

Bug Description:

The recent TSP specification includes a new bookmark resource and endpoints to manage bookmarks. This needs to be added.

https://eclipse-cdt-cloud.github.io/trace-server-protocol/#tag/Bookmarks

Steps to Reproduce:

N/A

Additional Information

• Operating System: any
• Version v0.9.0