Update .editorconfig to prevent unintentional whitespace changes
Update .editorconfig to prevent unintentional whitespace changes

Added:

- `csharp_space_before_open_square_brackets = true`
- `csharp_space_after_keywords_in_control_flow_statements = false`

In order to enforce the existing convention and prevent unintentional changes.
PowerShell/PowerShellEditorServices