docs: document deployment operator CustomHealth

[plural-copilot]

Summary

• Add dedicated deployment-operator documentation for the namespaced CustomHealth CRD and Lua health overrides.
• Document GVK precedence, Lua authoring contract, error behavior, helper globals, the Ready-condition example, and operational limitations.
• Add the continuous-deployment navigation entry and generated route.

Verification

• yarn lint (Docker): passed with 13 existing CSS compatibility warnings and no errors.
• yarn build (Docker): passed.

The documented behavior was verified against implementation sources at pluralsh/console commit 0b28dc947c6025744513bf768c4254923d4e8137.

[plural-copilot]

This PR was generated by the codex Plural Agent Runtime. Here's some useful information you might want to know to evaluate the ai's perfomance:

Name	Details
💬 Prompt	Create one clean docs-only PR in this repository documenting deployment-operator CustomHealth in the most appropriate existing continuous deployment documentation section....
🔗 Run history	View run history

[greptile-apps]

Greptile Summary

This PR adds documentation for deployment-operator CustomHealth resources and integrates the page into documentation routing.

• Documents GVK handler precedence, the Lua input/output contract, helper globals, and evaluation-error behavior.
• Provides a Ready-condition example and operational guidance about runtime limitations.
• Adds the navigation item and generated route for the new page.

Confidence Score: 5/5

The PR appears safe to merge with no actionable defects identified.

The new page, navigation entry, and generated route are mutually consistent, and the investigated documentation claims were not contradicted by available repository context.

Important Files Changed

Filename	Overview
pages/plural-features/continuous-deployment/deployment-operator/custom-health.md	Adds a coherent CustomHealth guide whose schema details align with the existing API reference and whose example and limitations are clearly presented.
src/routing/docs-structure.ts	Registers the new page under the existing deployment-operator section using the established navigation structure.
generated/routes.json	Adds a generated route whose key and relative path correctly correspond to the new Markdown page.

_{Reviews (1): Last reviewed commit: "docs: document deployment operator Custo..." | Re-trigger Greptile}