Provide a channel for asking for development help

What
There should be a recommended way for outside contributors to ask questions about how best to implement their contributions.
Why
You may want to separate questions about development from other types of communication.
When
After release
Implementations:
  • GitHub Issues
  • GitHub Discussions
  • Email list
  • Discourse forum
  • Slack
See also:
Have guidance for filing bug reportsProvide a channel for making feature requests