Creating redistributable image with add-ons installed

Tooling should allow user to make new image file from a base image and selected add-ons. This would allow user to create flashable image that can then be shared with other users.

Tooling could do this by modifying the base image directly, allowing installation of the selected add-ons into the Boot2Qt base image file located in the disk before it's flashed to the device. Due to technical limitations in Windows host,  this feature could be available for linux users only.

To present consistent user experience, the tooling should present similar UI as Flashing Wizard currently does, or alternative integrate the new features to it.

The tool should track which add-ons are installed to the image and have that information available to the user. Optionally this information could be shared with other users and used in the tooling to re-create the same image.