Capture mesh-catalog at feat/r4g (2246ccc4) with the templates its manifests name and its predefined.json, and lay the copy out as a repository's root

The catalogue's manifests moved their content into template files and fall back to predefined keys, so a copy of
module.json alone no longer passes the catalogue's own check; the bus's Dockerfile is gone from the catalogue.

testdata/beside/mesh-catalog/modules/local-model-consumer/files/openai.env

@@ -0,0 +1,3 @@
+OPENAI_BASE_URL=http://${bound:model-access:at}:${bound:model-access:port}/v1
+OPENAI_MODEL=${bound:model-access:model}
+OPENAI_API_KEY=local

testdata/beside/mesh-catalog/modules/local-model-consumer/module.json.captured

@@ -13,19 +13,30 @@
       "id": "state",
       "type": "directory",
       "mode": "0700",
-      "place": "."
+      "place": ".",
+      "unknown": "program"
     },
     {
       "id": "config",
       "type": "directory",
-      "mode": "0700"
+      "mode": "0700",
+      "unknown": "program"
     },
     {
       "id": "openai-env",
       "type": "file",
       "path": "${dir:config}/openai.env",
       "mode": "0600",
-      "content": "OPENAI_BASE_URL=http://${bound:model-access:at}:${bound:model-access:port}/v1\nOPENAI_MODEL=${bound:model-access:model}\nOPENAI_API_KEY=local\n"
+      "template": "files/openai.env"
     }
-  ]
+  ],
+  "build": {
+    "artifacts": [
+      {
+        "name": "files",
+        "kind": "archive",
+        "from": "files"
+      }
+    ]
+  }
 }