Add ernie image (#13432)
* Add ERNIE-Image
* Update doc
* Update doc
* Change from Custom-Attention to Diffusers Style Attention
* Change from Custom-Attention to Diffusers Style Attention
* 兼容SGLang
* 优化PE模块的加载与offload策略
* 更新Doc文件与config配置相关内容
* Fix官方反馈的内容
* 根据官方建议优化代码
* Update code
* update
* update
* Apply style fixes
* update
* update
* Apply style fixes
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