refactor(apps): rename namespaces.yml to kissj-namespaces.yml

naming parity between file and ArgoCD application

_apps/kissj-namespaces

@@ -0,0 +1,18 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: kissj-namespaces
+  namespace: argocd
+spec:
+  destination:
+    namespace: argocd
+    server: https://kubernetes.default.svc
+  project: kissj
+  source:
+    path: namespaces
+    repoURL: https://gitlab.mareshq.com/gitops/skautdevs/kissj.git
+    targetRevision: HEAD
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true