Sink footer items to bottom of readme

[StephenHulme]

Copyright notice and table-of-contents update commands are easiest to find at the bottom of the README.

Changes proposed in this pull request

• Move table of contents update command to bottom
• Move copyright notice to bottom
• Update table of contents

Instructions for Reviewers

[All PRs] - Confirm PR template filled
[Feature Branches] - Review code
[Production Merges to main]
    - Check story numbers included
    - Check for debug code
    - Check version

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.47%. Comparing base (8ea329a) to head (e50ddcf). Report is 13 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #4513 +/- ## =========================================== + Coverage 86.40% 86.47% +0.07% =========================================== Files 1392 1392 Lines 29830 29830 =========================================== + Hits 25775 25796 +21 + Misses 4055 4034 -21 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests
• JS Bundle Analysis - Avoid shipping oversized bundles