[Feature Request] Docstring improvement for backpack disassemble

[aikaterna]

Feature request

Complete these first

• I confirm that I have checked the issue tracker and a this feature request doesn't already exist.

Select the type of feature you are requesting:

• Command
• Functionality

Describe your requested feature

Syntax: c!backpack disassemble <backpack_items>
There should be clearer help on how to disassemble groups of items vs singular, and possibly hints or an example that shows people that [p]cbackpack disassemble can help them with complex management in this docstring.