Add negative_prompt to txt2img and img2img

[Tps-F]

Overview

I add negative_prompt to txt2img and img2img I think it will be more useful for image generation!

Example

Other parameters are the same.

Before

After add negative_prompt

prompt 
((masterpiece)), (((best quality))), ((ultra-detailed)), ((illustration)), ((disheveled hair)), ((frills)), (1 girl), (solo), dynamic angle, big top sleeves, floating, beautiful detailed sky, on beautiful detailed water, beautiful detailed eyes, overexposure, (fist), expressionless, side blunt bangs, hairs between eyes, ribbons, bowties, buttons, bare shoulders, (((small breast))), detailed wet clothes, blank stare, pleated skirt, flowers

negative_prompt 
owres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry,missing fingers,bad hands,missing arms, long neck, Humpbacked```