[Open Assets] Community Resources 9

Changelog:
- New conveyor flats from Chengi to be used as zippers.
- Lua from JugadorXEI to allow players to retain drift sparks on zippers.
- New(ly organized) textures and flats from Ivo
- Reworked Tumble Gems (from Opulence) to be easily editable and change color.
- Metal Harbor textures and flats from Barki
- Spring sound replacement Lua and item skin Lua from Chaobrother
- Sawblade enemy Lua from Callmore

I overhauled Community Resources' release post a little to hopefully help people figure out how to use the increasingly complex Lua Scripts and Objects that are being submitted.

Changelog:

• Added a whole host of new textures and flats from SoupBowler.
• Added backported 2.2 Springs courtesy of Chaobrother.
• Added textures/flats from µpak's latest map, Oriental Isle.
• Added a Lua Script to change global brightness by a percentage when called.

V1:
- Release
V2:
- Added a new set of flats and textures from Airfox's Twisted Metal Pack.
V3:
- Sort of unofficial release
- Fixed some issues with SOC errors
V4:
- MANY New textures from many creators
- Plenty of new community ads and banners
- New SOC-based creations from Chaobrother including an orbinaut launcher
- Added cones sprited by Chengi
V5:
- Added Empty Karts from µpak'sKart Manufactory
- Added Blue Special Stage Balls from Ivo Industries' Wave Dimension
- Added many textures and flats from Ivo and Marsh
V6:
- MAJOR LUA FIX (Please update your Lua scripts if you used any from V5)
- Added DYNAMIC ITEMS! Yes, items that act just like pushables! More info can be found in the pk3
- Added a cool ass truck from Barki, check the pk3 for the Zone Builder prefab!
V7:
- Added a fuckton of unorganized textures from Ivo (you make my life hell please organize your things :))) )
- Added proper diagonal grey springs from SoupBowler
- Added papersprite minecarts from ME BABY
- Proper RallyHUD release