chore: documentation update for wallet attestation support

[timbl-ont]

Summary of Changes

This markdown document provides background and context for app attestation support (work in progress) within Bifold in support of openid4vci flows.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 7438500

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[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

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.15%. Comparing base (4ee6a41) to head (7438500).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1823      +/-   ##
==========================================
+ Coverage   59.01%   59.15%   +0.14%     
==========================================
  Files         322      322              
  Lines       11131    11261     +130     
  Branches     3060     3035      -25     
==========================================
+ Hits         6569     6662      +93     
- Misses       4533     4552      +19     
- Partials       29       47      +18     

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