feat: extra models path option

scripts/!adetailer.py

@@ -53,7 +53,10 @@ from modules.shared import cmd_opts, opts, state
 
 no_huggingface = getattr(cmd_opts, "ad_no_huggingface", False)
 adetailer_dir = Path(models_path, "adetailer")
-model_mapping = get_models(adetailer_dir, huggingface=not no_huggingface)
+extra_models_dir = Path(shared.opts.data.get("ad_extra_models_dir", ""))
+model_mapping = get_models(
+    adetailer_dir, extra_dir=extra_models_dir, huggingface=not no_huggingface
+)
 txt2img_submit_button = img2img_submit_button = None
 SCRIPT_DEFAULT = "dynamic_prompting,dynamic_thresholding,wildcard_recursive,wildcards,lora_block_weight"
 
@@ -781,6 +784,16 @@ def on_ui_settings():
         ),
     )
 
+    shared.opts.add_option(
+        "ad_extra_models_path",
+        shared.OptionInfo(
+            default="",
+            label="Extra path to scan adetailer models",
+            component=gr.Textbox,
+            section=section,
+        ),
+    )
+
     shared.opts.add_option(
         "ad_save_previews",
         shared.OptionInfo(False, "Save mask previews", section=section),