feat(appProjectRBAC)[#36]: add support for managing AppProject RBAC

[ggkhrmv]

What type of PR is this?

/kind enhancement

What does this PR do / why we need it:
see #36 for more context.

This PR adds support for AppProject-scoped RBAC management utilizing k8s' native CRDs.

It adds two new CRDs + Controllers:

1. ArgoCDProjectRole: Defines the policies to be added to AppProject's RBAC
2. ArgoCDProjectRoleBinding: Binds a specified role to a single or multiple AppProjects + defines Groups the role should be applied to

Example usage can be seen in updated README.md.

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

Fixes #36

[Copilot]

Pull Request Overview

Adds support for AppProject-scoped RBAC by introducing new CRDs, controllers, and documentation updates.

• Defines ArgoCDProjectRole and ArgoCDProjectRoleBinding CRDs and base YAMLs
• Registers and wires up two new controllers in main.go and bumps operator version
• Expands README with AppProject-scoped usage examples and bumps release tags

Reviewed Changes

Copilot reviewed 57 out of 57 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
config/crd/bases/rbac-operator.argoproj-labs.io_argocdprojectroles.yaml	New CRD for AppProject-scoped Role
config/crd/bases/rbac-operator.argoproj-labs.io_argocdprojectrolebindings.yaml	New CRD for AppProject-scoped RoleBinding
cmd/main.go	Imported and registered project role and binding reconcilers
api/v1alpha1/argocdprojectrolebinding_types.go	Go types for ArgoCDProjectRoleBinding
README.md	Documentation added for AppProject-scoped RBAC usage
Makefile & config/manager/kustomization.yaml	Version bump to v0.2.0 and kustomize update

Comments suppressed due to low confidence (3)

api/v1alpha1/argocdprojectrolebinding_types.go:2

• Update the copyright year to 2025 to reflect the current release date.

Copyright 2024.

cmd/main.go:28

• [nitpick] Consider renaming the import alias to something more descriptive (e.g. applicationv1alpha1) to clarify that this is the Argo CD application API group.

argocdv1alpha "github.com/argoproj/argo-cd/v3/pkg/apis/application/v1alpha1"

api/v1alpha1/argocdrole_types.go:25

• [nitpick] For consistency and clarity, hyphenate “global-scoped” to “global-scoped Role” or reword to “globally scoped Role”.

// ArgoCDRoleSpec defines the desired state of global scoped Role (written to argocd-rbac-cm ConfigMap)