Feature request: drop-in configuration files

Feature request: drop-in configuration files: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm packaging CRI-O for our distribution and want to ship sensible defaults in /etc/crio/crio.conf while letting users (and our config management) layer in…

The task

I'm packaging CRI-O for our distribution and want to ship sensible defaults in `/etc/crio/crio.conf` while letting users (and our config management) layer in machine-specific tweaks — custom registries, an extra runtime entry, a different cgroup manager — without ever touching that base file.

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.