允许在sdwebui配置中添加alwayson_scripts

如：
[sdwebui.alwayson_scripts.ADetailer]
args = [{ad_model = "face_yolov8n.pt"},{ad_model = "hand_yolov8n.pt"}]

config.py

@@ -517,6 +517,12 @@ class Ratelimit(BaseModel):
 
 
 class SDWebUI(BaseModel):
+    class ScriptArg(BaseModel):
+        ad_model: str
+
+    class ScriptConfig(BaseModel):
+        args: List['SDWebUI.ScriptArg']
+
     api_url: str
     """API 基地址，如：http://127.0.0.1:7890"""
     prompt_prefix: str = 'masterpiece, best quality, illustration, extremely detailed 8K wallpaper'
@@ -534,13 +540,16 @@ class SDWebUI(BaseModel):
     cfg_scale: float = 7.5
     restore_faces: bool = False
     authorization: str = ''
+    alwayson_scripts: Dict[str, 'SDWebUI.ScriptConfig'] = {}
     """登录api的账号:密码"""
 
     timeout: float = 10.0
     """超时时间"""
 
     class Config(BaseConfig):
         extra = Extra.allow
+SDWebUI.update_forward_refs()
+SDWebUI.ScriptConfig.update_forward_refs()
 
 
 class Config(BaseModel):

drawing/sdwebui.py

@@ -41,7 +41,8 @@ async def text_to_img(self, prompt):
             'tiling': 'false',
             'negative_prompt': config.sdwebui.negative_prompt,
             'eta': 0,
-            'sampler_index': config.sdwebui.sampler_index
+            'sampler_index': config.sdwebui.sampler_index,
+            'alwayson_scripts': {}
         }
 
         for key, value in config.sdwebui.dict(exclude_none=True).items():