Update NETWORK_SETUP.md

[fsoehn]

Added reverse proxy IP address to docs

Proposed changes

Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request. If it relates to an open issue, be sure to link to that issue. Ensure that you add a label to the PR describing the type of change (if the issue does not have one already for whatever reason).

add ip address to docs

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [ ] I have read the CONTRIBUTING doc
• [ ] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added the necessary documentation (if appropriate)
• [ ] Any changes to main have been merged into my branch

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[github-actions[bot]]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time

See detailed report in MegaLinter reports _Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff_

_MegaLinter is graciously provided by _

[github-actions[bot]]

Cpp-Linter Report :heavy_check_mark:

No problems need attention.

Have any feedback or feature suggestions? Share it here.