Add project StudioCMS to the list of projects using Ace on its website

### Project name

StudioCMS

### Project link

https://studiocms.dev

### Logo link

https://github.com/withstudiocms/studiocms/blob/main/assets/studiocms-dark.png

### Additional information

StudioCMS recently implemented Ace editor as one of the editors used within the dashboard.

### Acknowledgements

- [x] I may be able to implement this request.