kueue: Add Cohort views

[Utkarshpandey0001]

Summary

• Add a typed Cohort resource model.
• Add Cohort list and detail pages.
• Add parent and child Cohort navigation.
• Add Cohort-to-ClusterQueue relationship navigation.
• Add ClusterQueue-to-Cohort navigation.
• Add sidebar entries and routes.
• Add test manifests, tests, and README documentation.

Scope

This implementation is read-only.

Branch status

This PR has been unstacked and rebased onto the latest upstream main. It no longer includes the Workload PR commits.

Validation

• npm run format
• npm run lint
• npm run tsc
• npm run build
• CI=true npm run test

[Copilot]

Pull request overview

Adds read-only Cohort support and relationship navigation to the Kueue plugin.

Changes:

• Adds typed Cohort resources, formatting, relationships, tests, and manifests.
• Adds Cohort list/detail pages, routes, and sidebar navigation.
• Links Cohorts with parent/child Cohorts, ClusterQueues, and ResourceFlavors.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
kueue/test-files/deploy/cohort-default.yaml	Adds sample Cohorts.
kueue/src/utils/kueueRoutes.ts	Defines Cohort routes.
kueue/src/utils/kueueApi.test.ts	Tests Cohort route paths.
kueue/src/resources/cohortRelations.ts	Derives Cohort relationships.
kueue/src/resources/cohortRelations.test.ts	Tests relationship helpers.
kueue/src/resources/cohortFormatters.ts	Adds Cohort display formatters.
kueue/src/resources/cohortFormatters.test.ts	Tests Cohort formatting.
kueue/src/resources/cohort.ts	Defines the typed Cohort model.
kueue/src/index.tsx	Registers Cohort navigation and pages.
kueue/src/components/cohorts/List.tsx	Implements the Cohort list.
kueue/src/components/cohorts/Detail.tsx	Implements Cohort details and relationships.
kueue/src/components/clusterqueues/List.tsx	Links ClusterQueues to Cohorts.
kueue/src/components/clusterqueues/Detail.tsx	Adds Cohort detail navigation.
kueue/README.md	Documents Cohort support and setup.

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[Utkarshpandey0001]

@kannon92 Hi , i have removed duplicating function from list.tsx and made it to reuse the existing. And also resolved the open comment. Could u pls review it once

[Utkarshpandey0001]

@kannon92 i have removed almost all duplicated functions. Could u pls check ?