Splitting CrabDB API into two

[dreamer-coding]

Fossil XSDK Pull Request

Description

Turning the database API into two interfaces MyShell and NoShell to give options for how to manage data in an application.

Testing

Test cases for the API and the classes

Checklist

• Code follows the project's coding standards.
• Tests have been added or updated to cover the changes.
• Documentation has been updated to reflect the changes.
• The code has been reviewed by team members.
• All checks and tests pass.
• The license header and notices are updated where necessary.

License

This project is licensed under the Mozilla Public License - see the LICENSE file for details.