This gives users a hint to use the GitHub "Discussions" for questions about bevy, instead of filing an issue.
## Objective
> Users sometimes file unhelpful issues when asking questions about how to use Bevy.
We should provide a link to the Discussion board in the list of "new Issue" options. This hopefully allows users to better find this option and reduces the number of question-issues.
- fixes#5150
## Solution
- add a small config.yml that configures the link
Looks like this (currently live on my local fork https://github.com/themasch/bevy/issues/new/choose):
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## Open questsions
- I am unsure about the wording.