feat: add native container awareness and cgroup rule operands - #1658
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Summary
This PR adds container awareness to OpenSnitch so connections can be identified as
coming from Docker, Podman, Containerd, and related cgroup-based workloads.
It also exposes that context in the rule prompt, allowing rules to target either
a specific container instance or a broader container runtime/group.
What Changed
/proc/<pid>/cgroupand process environment to detect container contextDEMO:

