Initial setup

Create default [community health files](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/creating-a-default-community-health-file).

```[tasklist]
### Files
- [x] #2
- [ ] #3
- [x] #4
- [ ] #5
- [ ] #6
- [ ] #7
- [ ] #8
- [ ] #9
```