[Feature Request]: Specify source rectangle to import #12
Description
Purpose
The purpose of this feature it to be able to specify the source rectangle from the aseprite file to import. Basically being able to crop which part of the frame is being used.
Motivation
This was requested in the MonoGame discord by captaingerbear
Reference: https://discord.com/channels/355231098122272778/357384790158213120/1154461805217849404