Add option for user-provided server certs

[alaye-ms]

CNPG allows for user provided server-side certs, we should add pass through logic to enable that feature

[documentdb-triage-tool]

🤖 Auto-triaged by documentdb-triage-tool.

Applied: go, enhancement
Project fields suggested: Component api · Priority P2 · Effort M · Status Triage
Confidence: 0.72 (llm)

Reasoning

LLM: Adding pass-through support for user-provided server-side TLS certificates is an important security/configuration feature that touches API and controller logic but is scoped to one component area.

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