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/logrotate/files/logrotate.conf

@@ -0,0 +1,32 @@
+# The mesh's (module logrotate, novox/hq to-be 42): the base configuration every rotation inherits.
+# Written whole at every push; an edit here is overwritten. Each package's own rules are in
+# /etc/logrotate.d and stay the packages'.
+
+# Weekly, four weeks kept, a new empty log created after each rotation.
+weekly
+rotate 4
+create
+
+# Rotated logs are compressed, one rotation late, so a program still writing to the file it had open
+# loses nothing to the compression.
+compress
+delaycompress
+
+# A package's replaced configuration is never read as a rule.
+tabooext + .pacorig .pacnew .pacsave
+
+include /etc/logrotate.d
+
+/var/log/wtmp {
+    monthly
+    create 0664 root utmp
+    minsize 1M
+    rotate 1
+}
+
+/var/log/btmp {
+    missingok
+    monthly
+    create 0600 root utmp
+    rotate 1
+}

testdata/beside/mesh-catalog/modules/logrotate/module.json.captured

@@ -25,7 +25,7 @@
       "type": "file",
       "path": "/etc/logrotate.conf",
       "mode": "0644",
-      "content": "# The mesh's (module logrotate, novox/hq to-be 42): the base configuration every rotation inherits.\n# Written whole at every push; an edit here is overwritten. Each package's own rules are in\n# /etc/logrotate.d and stay the packages'.\n\n# Weekly, four weeks kept, a new empty log created after each rotation.\nweekly\nrotate 4\ncreate\n\n# Rotated logs are compressed, one rotation late, so a program still writing to the file it had open\n# loses nothing to the compression.\ncompress\ndelaycompress\n\n# A package's replaced configuration is never read as a rule.\ntabooext + .pacorig .pacnew .pacsave\n\ninclude /etc/logrotate.d\n\n/var/log/wtmp {\n    monthly\n    create 0664 root utmp\n    minsize 1M\n    rotate 1\n}\n\n/var/log/btmp {\n    missingok\n    monthly\n    create 0600 root utmp\n    rotate 1\n}\n"
+      "template": "files/logrotate.conf"
     },
     {
       "id": "timer",
@@ -47,6 +47,11 @@
         "loads": [
           "logrotate-tools"
         ]
+      },
+      {
+        "name": "files",
+        "kind": "archive",
+        "from": "files"
       }
     ]
   }