Elven Structure Skins

v64
### Added:
- Tek Doors, Tek Ceiling Doors, Tek Gates
- Wooden and Stone building sets (6 sets): sloped quarter walls (Quarter Wall Variant) for filling your little quarter roofs gaps

### Changed:
- Increased skin placement distance on Z delta
- Changed Dino Gate skin's details to be less flat
- Lights: (Omni Lamp, Steam lights) Needs now power to be turned on with emitter light
- Tek Replicator skin: Vanilla structure effect is hiden now so you can scale the skin without issues, reduced skinned structure's sound by 80% (no loud sounds!)