[Stride] Outsource most TextureFX to their own package

[azeno]

Description

This PR moves most of the TextureFX nodes into their own package VL.Stride.TextureFX.

Related Issue

88

Motivation and Context

We currently have two competing node sets around the topic TextureFX. The ones from vvvv itself and the ones from VL.Addons. By moving the ones from vvvv into their own package, it's up to the user to decide which ones to use (or none at all).

Types of changes

• [ ] Docs change / refactoring / dependency upgrade
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [x] My change requires a change to the documentation

[azeno]

• [x] Delete templates (already covered by wizard)
• [x] Write converter