Update hardware demos

[alvaro-at-xanadu]

Before submitting

Please complete the following checklist when submitting a PR:

• Ensure that your tutorial executes correctly, and conforms to the
  guidelines specified in the README.

• Remember to do a grammar check of the content you include.

• All tutorials conform to
  PEP8 standards.
  To auto format files, simply pip install black, and then
  run black -l 100 path/to/file.py.

When all the above are checked, delete everything above the dashed
line and fill in the pull request template.

---

Title:

Summary:

Relevant references:

Possible Drawbacks:

Related GitHub Issues:

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If you are writing a demonstration, please answer these questions to facilitate the marketing process.

• GOALS — Why are we working on this now?

  Eg. Promote a new PL feature or show a PL implementation of a recent paper.

• AUDIENCE — Who is this for?

  Eg. Chemistry researchers, PL educators, beginners in quantum computing.

• KEYWORDS — What words should be included in the marketing post?

• Which of the following types of documentation is most similar to your file?
  (more details here)

• Tutorial
• Demo
• How-to

[github-actions]

Thank you for opening this pull request.

You can find the built site at this link.

Deployment Info:

• Pull Request ID: 1061
• Deployment SHA: 990b4134e1fe7e5ac4da9d15aa464be3e57f954c
  (The Deployment SHA refers to the latest commit hash the docs were built from)

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