Enable Config Contexts

[grahamjohnston]

Environment

• Nautobot version: 2+
• nautobot-firewall-models version: 2.0.3

Proposed Functionality

I am proposing that we allow config context to be capture for each of the objects within the module. Certainly for objects such as zones, policies/nat.

Currently the web UI shows fields related to config context, but I believe this is a copy and paste error for their views as I can't find any reference to this functionality in the ORM.

Use Case

I have extra config that is vendor implementation specific that likely isn't appropriate to be modeled directly.