fix: add kubectl, update charts

nix/homelab/kustomize/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+  - ./longhorn/ingress.yaml

nix/homelab/kustomize/longhorn/ingress.yaml

@@ -0,0 +1,18 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: longhorn-frontend
+  namespace: longhorn-system
+
+spec:
+  rules:
+    - host: longhorn.local
+      http:
+        paths:
+          - path: /
+            pathType: Exact
+            backend:
+              service:
+                name: longhorn-frontend
+                port:
+                  number: 80