Add README for PolicyRequirements feature

[eliykat]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-28959

📔 Objective

Add a README for the PolicyRequirements feature.

📸 Screenshots

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Checkmarx One – Scan Summary & Details – 05e4aa44-f983-4ef7-a141-77ada6b4a251

Great job! No new security vulnerabilities introduced in this pull request

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.11%. Comparing base (cd4e44c) to head (3a6c8e6).
⚠️ Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7503      +/-   ##
==========================================
- Coverage   59.11%   59.11%   -0.01%     
==========================================
  Files        2078     2078              
  Lines       91535    91535              
  Branches     8142     8142              
==========================================
- Hits        54111    54110       -1     
- Misses      35496    35497       +1     
  Partials     1928     1928              

☔ View full report in Codecov by Sentry.
📢 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.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.