Upchuck Laravel Package

Increases the version constrain on GrahamCampbell/Laravel-Flysystem

By setting depth to 0, you can turn off the nesting of uploaded files.

If true, Upchuck won't delete files when a model is soft deleted.

• Removes event priorities
• Fixes handler syntax for wildcarded listeners

• Adding missing static in facade
• Only convert to path if the URL has schema and domain
• Resolve the tmp disk through IoC

See https://regex101.com/r/mJ3sI5/1

Not using class_uses since it doesn't find the trait on parents without looping through ancestry.

• Fixing bug with PHP open tag
• Switching IoC bindings to singletons
• Adding a Facade class
• Giving Laravel event listening a higher priority so Upchuck happens before standard event listeners
• Removing uploads from request after handling
• More docs