Macaw's Bridges

Ported to 1.17.1

Added:
- Bridge Stairs
- Pliers

Pliers:
- They are used to toggle the bridge part, to the end part  ( only for 2 and wider bridges )

Changed:
- New placement which allows players to make corners and custom bridge width ( works with bridge supports and stairs too)
- All models have been improved
- Simpler model for bridges with torch 
- Rail Bridges can no longer have the redstone torch put on them, instead just put a lever on the side to activate the powered rail on them
- Retextured iron bridge texture
- Better inventory models

Fixed Bugs:
- Unable to destroy bridge when aiming at the guardrail
- Fly Kick Bug when standing on guardrails
- Shaders Light Bug
- Bridge Supports are not Waterloggable