Add gitea at git.rubenhensen.nl

Single-pod sqlite install (simplest path for a home git host). HTTPS-only,
no SSH listener for now. Wired into the Hetzner tunnel like the other
rubenhensen.nl services.

First visitor to git.rubenhensen.nl can register; Gitea auto-promotes the
first user to admin.

apps/templates/gitea-folder.yaml

@@ -0,0 +1,21 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: gitea
+  namespace: argocd
+  finalizers:
+  - resources-finalizer.argocd.argoproj.io
+spec:
+  project: default
+  source:
+    repoURL: https://github.com/rubenhensen/k8scd.git
+    targetRevision: HEAD
+    path: gitea
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: gitea
+  syncPolicy:
+    syncOptions:
+    - CreateNamespace=true
+    automated:
+      selfHeal: true