Fix kiwix-serve command to use shell for glob expansion

The container image has its own entrypoint that conflicts with passing
args directly. Use a shell command to expand the glob properly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

argocd/manifests/kiwix/deployment.yaml

@@ -21,9 +21,9 @@ spec:
         # Main kiwix-serve container
         - name: kiwix-serve
           image: ghcr.io/kiwix/kiwix-serve:3.8.1
+          command: ["/bin/sh", "-c"]
           args:
-            - --port=80
+            - "kiwix-serve --port=80 /data/*.zim"
-            - /data/*.zim  # Serves ALL .zim files, regardless of how they were added
           ports:
             - containerPort: 80
               name: http