Added new remove the requirement for inbound network rules section

[dannyjknights]

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I was unaware until a few weeks ago, after speaking with @jefferai about the pure power of mhop and outbound connectivity. A question that comes up often is that if you have a mhop deployment and maybe a firewall in between, my understanding was that you would have to allow inbound connectivity to the egress worker associated with the target. After speaking with engineering, this is not the case.

I believe most, if not all of the field are unaware of this and it is a powerful feature. I think more needs to be made of it to highlight this. Certainly colleagues I've spoken to are unaware of it.

This PR is a draft for further review and discussion.