Add document how to use pytket-braket

[yoshi-qc]

Description

Add an example notebook including how to use local emulator , cloud emulator, Rigetti device, IQM device, and IonQ device.

Related issues

#183

Checklist

• I have performed a self-review of my code.
• I have commented hard-to-understand parts of my code.
• I have made corresponding changes to the public API documentation.
• I have added tests that prove my fix is effective or that my feature works.
• I have updated the changelog with any user-facing changes.

[CalMacCQ]

Thanks Yoshi, I'm happy to review this

[yoshi-qc]

This conflicts with #61.

[CalMacCQ]

This conflicts with #61.

#61 is an old PR. I think its fine to start from scratch.

[yoshi-qc]

Sorry for my misunderstanding. I reopen #184

[CalMacCQ]

Looks good! Thanks for working on this Yoshi.

We should resolve what do to about the executed cells. There are also some minor changes I have suggested.

If you do git pull from this branch you should get the changes I've made into your local environment.

[CalMacCQ]

Maybe this notebook file should have a shorter name

Something like braket_backend_usage.ipynb? I'll leave it up to you. The name will also need to be updated in the index.rst file.

[yoshi-qc]

Rename to braket_backend_usage.ipynb and update the index.rst file.

[CalMacCQ]

This notebook will make external calls to remote backends when trying to access the Rigetti, IONQ and other devices.

I think its still very useful to show the API for accessing the remote backends in this example.

I can think of two solutions

1. Switch off execution for this notebook and only show cell inputs.
2. Separate the remote backends into another notebook file. I can then manually exclude this remote_backends.ipynb file from execution in the sphinx configuration.

I think I prefer 2. What do you think?

[yoshi-qc]

Either option is okey for me. Could you support the creation?

[CalMacCQ]

I think this example notebook should start with a paragraph (or bullet point list) summarising all of the available backends.

[yoshi-qc]

Add information of available backend at the beginning of the notebook.

[cqc-melf]

Are you still working on this or can we close it?