Add `cloud_api_client` and `cloud_api_types` crates (#35357)

This PR adds two new crates for interacting with Cloud:

- `cloud_api_client` - The client that will be used to talk to Cloud.
- `cloud_api_types` - The types for the Cloud API that are shared
between Zed and Cloud.

Release Notes:

- N/A
bc6bb42745Marshall Bowers committed on 7/30/2025, 6:57:51 PM· committed by GitHubparent7695c4b
11 files changedLine totals unavailable