docs: add node/socket debugging information

[on3iro]

Checklist

• Use a separate branch in your local repo (not main).
• Test coverage is 100% (or you have a story for why it's ok). - just made an addition to the docs ;)

[delucis]

@on3iro great! Thank you for this.

I have a couple of tiny suggestions to use “environment variable” over just “environment” and avoid using “simply” (in case it's not simple for some readers).

[on3iro]

@on3iro great! Thank you for this.

I have a couple of tiny suggestions to use “environment variable” over just “environment” and avoid using “simply” (in case it's not simple for some readers).

@delucis great suggestions - i'll update my PR accordingly :)

[delucis]

Thanks again for this @on3iro!