Fix the long_description issues in Lightning

[maliasadi]

Before submitting

Please complete the following checklist when submitting a PR:

• All new features must include a unit test.
  If you've fixed a bug or added code that should be tested, add a test to the
  tests directory!

• All new functions and code must be clearly commented and documented.
  If you do make documentation changes, make sure that the docs build and
  render correctly by running make docs.

• Ensure that the test suite passes, by running make test.

• Add a new entry to the .github/CHANGELOG.md file, summarizing the
  change, and including a link back to the PR.

• Ensure that code is properly formatted by running make format.

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

---

Context:
Lightning wheels are currently failing when checking the wheels with twine. This PR fixes all the rendering issues in the README.

Description of the Change:

Benefits:

Possible Drawbacks:

Related GitHub Issues:
[sc-71706]

[github-actions]

Hello. You may have forgotten to update the changelog!
Please edit .github/CHANGELOG.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[multiphaseCFD]

Looks good to me! Thanks @maliasadi !

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.57%. Comparing base (9618fd5) to head (e951ba0).
Report is 83 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #858       +/-   ##
===========================================
- Coverage   91.59%   81.57%   -10.03%     
===========================================
  Files          85       17       -68     
  Lines       10952     1916     -9036     
===========================================
- Hits        10032     1563     -8469     
+ Misses        920      353      -567     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[vincentmr]

LGTM, thanks @maliasadi .