move password hash to values.yaml, simplify helm install command

manifests/argocd/values.yaml

@@ -18,6 +18,16 @@ global:
 configs:
   params:
     server.insecure: true   # TLS terminated at Envoy Gateway
+  secret:
+    # Generate: htpasswd -nbBC 10 "" PASSWORD | tr -d ':\n' | sed 's/$2y/$2a/'
+    argocdServerAdminPassword: ""
+    argocdServerAdminPasswordMtime: "2025-01-01T00:00:00Z"
 
 server:
   replicas: 1
+  httproute:
+    enabled: true
+    parentRefs:
+      - name: envoy-gateway
+        namespace: gateway-system
+        sectionName: http