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/grafana/module.json

@@ -1,8 +1,12 @@
 {
   "module": "grafana",
   "version": "1",
+  "emits": [
+    "module.grafana.alert.firing"
+  ],
   "own-secrets": {
-    "admin": "/var/lib/grafana-module/admin.secret"
+    "admin": "/var/lib/grafana-module/admin.secret",
+    "broker": "/var/lib/grafana-module/broker"
   },
   "capabilities": [
     "container-runtime"