Add multi-language switching function

[liujvnes]

Hello, the attachment is the translated simplified Chinese version. I hope that language switching can be integrated into the plug-in settings. Thank you! krita_ai_diffusion-1.17.1.zip

[Shock-stcak]

您好，附件为简体中文翻译版。我希望语言切换可以集成到插件设置中。谢谢！ krita_ai_diffusion-1.17.1.zip

Thank you, good man, for a safe life。