[ajlaanayan-crypto]

Fixes Issue

Ref #610

Description

This PR adds interactive keyboard shortcuts to Reveal.js presentation templates as discussed in #610:

1. R key (keyCode: 82): Replay current slide animation from the beginning (currentTime = 0; play()).
2. C key (keyCode: 67): Toggle native video scrubber controls on the active slide to easily scrub through animations.
3. ? key (keyCode: 191): Toggle the Reveal.js keyboard shortcuts help modal.

Also:

• Synchronized firebase_sync.html via scripts/sync_firebase_template.py.
• Updated documentation template in docs/source/_static/template.html.
• Added unit test test_revealjs_keybindings in tests/test_convert.py.

Check List

• I understand that my contributions need to pass the checks;
• If I created new functions / methods, I documented them and added type hints;
• If I modified already existing code, I updated the documentation accordingly;
• The title of my pull request is a short description of the requested changes.

Note to reviewers

All tests pass locally (pytest: 238 passed, 1 skipped). Template parity is verified.

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

View in Codacy

_{NEW Get contextual insights on your PRs based on Codacy's metrics, along with PR and Jira context, without leaving GitHub. Enable AI reviewer
TIP This summary will be updated as you push new changes.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.87%. Comparing base (5e71dd5) to head (4672480).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #694   +/-   ##
=======================================
  Coverage   78.87%   78.87%           
=======================================
  Files          23       23           
  Lines        2230     2230           
=======================================
  Hits         1759     1759           
  Misses        471      471           

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.