grafana, tautulli, nextcloud, nodered: full nox modules (ADR 0044/0046)

grafana: status/datasources/dashboards/alerts tools, emits alert.firing.
tautulli: activity/history/stats tools, emits watch.recorded. nextcloud:
users/shares/apps/occ tools (occ via docker exec, shares over OCS), emits
user.created/share.created. nodered: flows/nodes/deploy tools, emits
flows.deployed inline from the deploy tool. All typecheck; manifests parse.

modules/nextcloud/module.json

@@ -21,8 +21,13 @@
     "postgres-database": "/var/lib/nextcloud-module/database.secret",
     "s3-bucket": "/var/lib/nextcloud-module/store.secret"
   },
+  "emits": [
+    "module.nextcloud.user.created",
+    "module.nextcloud.share.created"
+  ],
   "own-secrets": {
-    "admin": "/var/lib/nextcloud-module/admin.secret"
+    "admin": "/var/lib/nextcloud-module/admin.secret",
+    "broker": "/var/lib/nextcloud-module/broker"
   },
   "capabilities": [
     "container-runtime"