Add imageToImage to stability wrapper

[intelligentnode]

Reference:

• https://platform.stability.ai/docs/api-reference#tag/v1generation/operation/imageToImage
• https://github.com/intelligentnode/IntelliNode/blob/main/IntelliNode/wrappers/StabilityAIWrapper.js#L94

Code:
https://github.com/intelligentnode/IntelliPy/blob/main/intelli/wrappers/stability_wrapper.py

[RaghavArora14]

Hi, I would like to work on this? is there a bounty? and can you explain the issue further.