### Description of the change
This adds a `.vscode` folder with recommended extensions and some useful settings like unittest schema validation.
The `.vscode` folder is already helm ignored during packaging.
### Possible drawbacks
We would have to be careful about PR changes in that directory.
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/536
Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Co-committed-by: justusbunsi <sk.bunsenbrenner@gmail.com>
