[Feature] Build *.Designer.cs files without Visual Studio

[XanatosX]

Description

Fixes #123

Type of change

Please delete options that are not relevant.

• 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)
• Documentation change
• This change requires a documentation update

How Has This Been Tested?

Building the application

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
• I added additional features as documentation to to the user manual