Feature Request: Blender-style Viewport Navigation

Hello IStonia,

First of all, thank you for creating such an amazing polygon modeling application. I really enjoy using NVil, especially its modeling workflow and customization features.

I have one feature request regarding viewport navigation.

Many artists today work with multiple applications such as Blender, 3DCoat, Plasticity, Substance Painter and Unreal Engine. In order to improve workflow, many of us try to keep the same viewport navigation across all software.

Currently, Blender's navigation has become a widely adopted standard:

Middle Mouse Button = Orbit
Shift + Middle Mouse Button = Pan
Ctrl + Middle Mouse Button = Zoom
Mouse Wheel = Zoom

The biggest advantage of this layout is that the left mouse button is dedicated to selection and editing, while the middle mouse button is dedicated to camera navigation. This separation makes modeling much more efficient and reduces accidental operations.

At the moment, NVil allows assigning Rotate, Pan and Zoom to mouse buttons, but it does not appear to support modifier-based navigation combinations like Shift + MMB and Ctrl + MMB.

Would it be possible to add an optional Blender Navigation Preset, or allow users to freely customize viewport navigation modifiers?

I believe this would make it much easier for Blender and 3DCoat users to adopt NVil without changing their muscle memory.

Thank you very much for your hard work and for continuously improving NVil.