Add Debugger interface to SDK

[johanfylling]

Add debugger interface to the SDK that 3rd party applications can use for creating and managing debugging sessions of topdown.

The interface should take inspiration from the Debug Adapter Protocol, to facilitate easy integration with compatible debug clients.

[stale]

This issue has been automatically marked as inactive because it has not had any activity in the last 30 days. Although currently inactive, the issue could still be considered and actively worked on in the future. More details about the use-case this issue attempts to address, the value provided by completing it or possible solutions to resolve it would help to prioritize the issue.

[anderseknert]

🎉