cr.yaml

apiVersion: example.com/v1
kind: Foo
metadata:
  annotations:
    argocd.argoproj.io/sync-wave: "-1"
  name: my-foo

crd.yaml

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  annotations:
    argocd.argoproj.io/sync-wave: "1"
  name: foos.example.com
spec:
  group: example.com
  versions:
    - name: v1
      served: true
      storage: true
      schema:
        openAPIV3Schema:
          type: object
  scope: Namespaced
  names:
    plural: foos
    singular: foo
    kind: Foo