Fixed collision issue on stairs05

Fixed a material issue

Added new modules:
- Straight hallway lounge variant
- Extra small command room variant
- 1 Hallway stairs variant
- Empty room variant with doors on either side and big empty room variant with windowed side room
- Brig module with 4 cells (no doors, you'll have to add those yourself)

Added new skin for all modules with lighter floor inspired by Venator class Star Destroyer interior based on Jedi Fallen Order reference.

Added new modules:
- Cross split hallway variant
- 2 Straight hallway window variants
- 3 Hallway stairs variants
- Big Room empty variant

Initial addon creation.