feat(approach): private money market fund

[rymnc]

What are you adding?

• Vendor/Protocol
• Enterprise Use Case
• Update to existing content
• Approach

Description

Adds a new approach doc for private money-market funds covering shielded share commitments with ZK NAV proofs, FHE and TEE alternatives, and compliance integration for SEC 2a-7 / ESMA MMFR.

Checklist

• I've checked this doesn't duplicate existing content
• All links work
• Info is accurate

[Copilot]

Pull request overview

Adds a new “approach” document describing an architecture for privacy-preserving private money market funds, and updates supporting docs/indexing to reference it.

Changes:

• Added a new approach doc for private money market funds (ZK/FHE/TEE design options, compliance mapping, and reference links).
• Updated glossary with SEC Rule 2a-7 and ESMA MMFR entries.
• Updated changelog and removed a non-existent pattern link from the compliance monitoring pattern.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
patterns/pattern-compliance-monitoring.md	Removes a reference to a pattern doc that does not exist in-repo.
approaches/approach-private-money-market-funds.md	Introduces the new approach write-up and links it to relevant patterns/vendors/use-cases.
GLOSSARY.md	Adds regulatory definitions used by the new approach doc.
CHANGELOG.md	Records the new approach addition under Unreleased.

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