doc: updated /cc list for inspector issues
Updated onboarding-extras.md to /cc @nodejs/v8-inspector for inspector issues and reorganized the list alphabetically
Fixes: https://github.com/nodejs/node/issues/13621
Files changes
- doc/onboarding-extras.md
Checklist
-
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
doc