feat: bootstrap repo — enforcement layer + #685 perf capture

Enforcement (check-rules/hooks/shellcheck) per ADOPTING pattern; perf/ SoR
from the #685 session (memcensus, pg role-caps SQL, applied sysctl, planned
daemon.json); questions-v1 (API token + dockerd window asks).

Meat + verification: https://projects.knownelement.com/issues/727#note-3913

.gitignore

@@ -0,0 +1,3 @@
+.crush/
+*.log
+.tmp/