feat: add the resource placement related API

[ryanzhang-oss]

Description of your changes

Add the namespaced resource placement API with some rename

Fixes #

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How has this code been tested

Special notes for your reviewer

[Copilot]

Pull Request Overview

This PR introduces the namespaced resource placement API types while renaming several ClusterResourcePlacement-related types to more generic Placement types. Key changes include the renaming of specifications and statuses from ClusterResourcePlacementSpec/Status to PlacementSpec/Status across controllers and tests, updates to CRD YAML files to reflect new labels and naming conventions, and modifications to API types and their deepcopy functions.

Reviewed Changes

Copilot reviewed 56 out of 56 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pkg/controllers/clusterresourceplacementwatcher/watcher_integration_test.go	Renames resource spec type to PlacementSpec in test setup.
pkg/controllers/clusterresourceplacementeviction/*	Updates spec type to PlacementSpec in multiple test cases.
pkg/controllers/clusterresourceplacement/placement_status_test.go	Adjusts status type from ClusterResourcePlacementStatus to PlacementStatus.
pkg/controllers/clusterresourceplacement/*	Applies similar renaming in controller tests and integration tests.
config/crd/bases/*	Updates CRD definitions to use new labels (e.g. PlacementTrackingLabel) and removes redundant comments.
apis/placement/v1beta1/*	Renames API type fields and updates deepcopy functions and comments to reflect the new Placement API, as well as adjusting comments regarding tracking labels.
.github/.copilot/breadcrumbs/*	Documentation update that details the implementation and registration of new namespace-scoped types.

Comments suppressed due to low confidence (1)

pkg/controllers/clusterresourceplacementeviction/controller_intergration_test.go:0

• Consider renaming the file to 'controller_integration_test.go' to correct the spelling of 'integration'.

controller_intergration_test.go

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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