feat: add user property to project

[Tpuljak]

Add User Property to the Project Model

Description

Users will now be able to specify the user of the project container. This change is necessary to support custom project images in the intended way.

BREAKING CHANGE: users need to run 'daytona server configure' and configure the default user

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings