brother: the module requires an s3-bucket, with mesh-mail's S3 client and store.json read by the device account alone (issue 1453, ADR 0468 clause 2)

modules/brother/module.json

@@ -1,6 +1,15 @@
 {
   "module": "brother",
   "version": "1",
+  "requires": [
+    "s3-bucket"
+  ],
+  "binds": {
+    "s3-bucket": "${dir:state}/store-binding.json"
+  },
+  "secrets": {
+    "s3-bucket": "${dir:state}/store.secret"
+  },
   "emits": [
     "scan.added"
   ],
@@ -170,6 +179,14 @@
       "merge": "json",
       "template": "files/settings.json"
     },
+    {
+      "id": "store",
+      "type": "file",
+      "path": "${dir:state}/store.json",
+      "owner": "brother-device",
+      "mode": "0600",
+      "template": "files/store.json"
+    },
     {
       "id": "device",
       "type": "process",
@@ -183,10 +200,12 @@
       "env": {
         "BROTHER_SETTINGS": "${dir:state}/settings.json",
         "BROTHER_ADMIN_PASSWORD": "${dir:state}/admin-password.secret",
-        "BROTHER_BROKER": "${dir:state}/broker-device.secret"
+        "BROTHER_BROKER": "${dir:state}/broker-device.secret",
+        "BROTHER_STORE": "${dir:state}/store.json"
       },
       "restart-on": [
-        "settings"
+        "settings",
+        "store"
       ],
       "bus": {
         "queues": [