feat: presentation exchange

[sairanjit]

Summary

• Added a feature to support W3C verification

Checklist before requesting a review

• [x] All commits contain a DCO Signed-off-by line (we use the DCO GitHub app to enforce this).
• [x] Self-review of code & No unnecessary commented-out code.
• [x] All existing functionality remain intact.
• [x] Updated the README if necessary..
• [x] No hard-coded sensitive information.

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
38.7% Duplication on New Code (required ≤ 3%)
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

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