- Updated angelscript file

This update is done by Reborn:
- Updated the angelscript file
- Fixed some ladders behaving weirdly

Fixed blend texture

Updated the AS script, materials and addonlist to v3.1

- Added addoninfo.txt

- Fixed mapscript being broken
- Updated loading screen
- Fixed weapon spawning
- Fixed cubemap related issues
- Fixed missing textures
- Added interactable cars (replaced static ones)
- Re-Added func_ladder (zombie only ladders has not been changed)
- Fixed broken texture shaders

- Removed rooftop exploit
- Removed OP campspots
- Fixed where zombie spawning would break
- Added Angelscript support
- Added zombie only ladders to reach certain areas faster

Initial Release