Add authentik, tidy up recipe-footer

Signed-off-by: David Young <davidy@funkypenguin.co.nz>

docs/recipes/kubernetes/template.md

@@ -69,7 +69,7 @@ metadata:
 Now that the "global" elements of this deployment (*just the GitRepository in this case*) have been defined, we do some "flux-ception", and go one layer deeper, adding another Kustomization, telling flux to deploy any YAMLs found in the repo at `/invidious`. I create this example Kustomization in my flux repo:
 
 ```yaml title="/bootstrap/kustomizations/kustomization-invidious.yaml"
-apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
+apiVersion: kustomize.toolkit.fluxcd.io/v1
 kind: Kustomization
 metadata:
   name: invidious
@@ -82,7 +82,6 @@ spec:
   sourceRef:
     kind: GitRepository
     name: flux-system
-  validation: server
   healthChecks:
     - apiVersion: apps/v1
       kind: Deployment
@@ -541,6 +540,6 @@ What have we achieved? We have an HTTPS-protected private YouTube frontend - we
 
     * [X] We are free of the creepy tracking attached to YouTube videos!
 
---8<-- "recipe-footer.md"
+{% include 'recipe-footer.md' %}
 
 [^1]: This is how a footnote works