feat: add HTTP→HTTPS redirect to Gateway API services (#145)

Add port 80 HTTP listener and redirect HTTPRoute to artifactapi,
cattle-system (rancher), litellm, paperclip, and puppetboard — restoring
the redirect behaviour that existed on the previous nginx/traefik Ingress
resources.

Reviewed-on: #145

apps/base/litellm/httproute.yaml

@@ -1,6 +1,28 @@
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: HTTPRoute
+metadata:
+  name: litellm-http-redirect
+  namespace: litellm
+spec:
+  hostnames:
+    - litellm.k8s.syd1.au.unkin.net
+  parentRefs:
+    - name: litellm
+      sectionName: http
+  rules:
+    - filters:
+        - type: RequestRedirect
+          requestRedirect:
+            scheme: https
+            statusCode: 301
+      matches:
+        - path:
+            type: PathPrefix
+            value: /
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
 metadata:
   name: litellm
   namespace: litellm