Elven Structure Skins

Added:

Crafting Stations:
- Industrial Grill skin - can be painted
- Tek Light skin - can be painted

Interior Decors:
- Frontier Wall Lamp skin
- Small standing and hanging lamps for small decor box

Building Sets:
- New additional Cold Stone Brick set for Walls, Frame doors, Doors, Gates
- Tree Platform variant with blue lights - Wooden Sets
- Quarter Roof/Quarter Ramps variants with side trims
- Roof trim variants for Half Pillar Beams
- Quarter Foundations
- Half Sloped and Shallow Railings
- Stone Ramps and Quarter Ramps - added stairs variants