Offer only-office's document server with its JWT as the shared credential (issue 1830)

modules/only-office/module.json

@@ -2,6 +2,22 @@
   "module": "only-office",
   "version": "1",
   "slug": "office",
+  "provides": [
+    {
+      "name": "document-server",
+      "scope": "mesh",
+      "credential": {
+        "own": "jwt"
+      }
+    }
+  ],
+  "serves": {
+    "document-server": {
+      "scheme": "http",
+      "port": 9070,
+      "public-root": "https://${bound:route:name}/"
+    }
+  },
   "capabilities": [
     "container-runtime"
   ],
@@ -57,7 +73,8 @@
   "own-secrets": {
     "jwt": {
       "path": "${dir:state}/jwt.secret",
-      "owner": "only-office-converter"
+      "owner": "only-office-converter",
+      "taken": "at-start"
     },
     "broker-converter": {
       "path": "${dir:state}/broker-converter.secret",