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/docker/files/daemon.json

@@ -0,0 +1 @@
+{"live-restore": true, "insecure-registries": ["${seat:mesh-artifact-store:reach}"], "log-driver": "json-file", "log-opts": {"max-size": "${config:log-max-size}", "max-file": "${config:log-max-file}"}}

testdata/beside/mesh-catalog/modules/docker/files/docker-prune.service

@@ -0,0 +1,15 @@
+# Generated by the mesh. Do not edit — module docker writes this file and replaces it at every push.
+[Unit]
+Description=Prune dangling images and unused build cache (the mesh's docker module)
+# Never volumes, never a container, never an image a container uses: dangling
+# images and build cache nothing refers to, unused for a week. What a person
+# prunes beyond that is docker_prune's, by hand.
+After=docker.service
+ConditionPathExists=/run/docker.sock
+
+[Service]
+Type=oneshot
+Nice=19
+IOSchedulingClass=idle
+ExecStart=/usr/bin/docker image prune --force --filter until=168h
+ExecStart=/usr/bin/docker builder prune --force --filter until=168h

testdata/beside/mesh-catalog/modules/docker/files/docker-prune.timer

@@ -0,0 +1,11 @@
+# Generated by the mesh. Do not edit — module docker writes this file and replaces it at every push.
+[Unit]
+Description=Weekly prune of dangling images and unused build cache (the mesh's docker module)
+
+[Timer]
+OnCalendar=weekly
+RandomizedDelaySec=1h
+Persistent=true
+
+[Install]
+WantedBy=timers.target

testdata/beside/mesh-catalog/modules/docker/files/log-rotation.conf

@@ -0,0 +1,5 @@
+# The log rotation daemon.json takes, written by the mesh from this machine's settings log-max-size and
+# log-max-file, and judged by the step log-rotation-check before daemon.json is written (novox/hq issue 452).
+# Replaced on every push; change the settings, never this file.
+size=${config:log-max-size}
+files=${config:log-max-file}