dapr-client package is deprecated

[MartinEide]

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [x] documentation issue or request
- [x] regression (a behavior that used to work and stopped in a new release)

Expected/desired behavior

It would be nice with an example that uses @dapr/dapr given that dapr-client is deprecated.

Mention any other details that might be useful

How to setup with @dapr/dapr would be very useful when following these as a starter guide.