feat(argocd): switch to kustomize for crossplane-system app

Replaced directory recurse config with `kustomize` in ArgoCD Application.
Added base `kustomization.yaml` to manage Crossplane manifests with Kustomize.

Author: wnqueiroz

argocd/crossplane-system.yaml

@@ -7,10 +7,9 @@ spec:
   project: default
   source:
     repoURL: "git@github.com:wnqueiroz/platform-engineering-backstack.git"
-    targetRevision: main
+    targetRevision: feature-argocd # TODO: change to main
     path: crossplane
-    directory:
-      recurse: true
+    kustomize: {}
   destination:
     server: https://kubernetes.default.svc
     namespace: crossplane-system
@@ -28,6 +27,10 @@ spec:
         maxDuration: 1m
   ignoreDifferences:
     - group: "hooli.tech"
-      kind: "NoSQL"
+      kind: "XQueueClaim"
+      jsonPointers:
+        - "/metadata"
+    - group: "hooli.tech"
+      kind: "XQueue"
       jsonPointers:
         - "/metadata"

crossplane/kustomization.yaml

@@ -0,0 +1,10 @@
+apiVersion: kustomize.config.k8s.io/v1
+kind: Kustomization
+
+resources:
+  - providers
+  - providers-config
+  - functions
+  - compositions/aws
+  - xrds
+  - claims