Added option to add multiple extra models dirs separated by colons (#596)

* Added option to add multiple extra models dirs separated by colons

* Added "(requires Reload UI)" tag to the extra models path setting

* Changed colon seperator to in favor of vertical bar.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

scripts/!adetailer.py

@@ -76,10 +76,10 @@ no_huggingface = getattr(cmd_opts, "ad_no_huggingface", False)
 adetailer_dir = Path(paths.models_path, "adetailer")
 safe_mkdir(adetailer_dir)
 
-extra_models_dir = shared.opts.data.get("ad_extra_models_dir", "")
+extra_models_dirs = shared.opts.data.get("ad_extra_models_dir", "")
 model_mapping = get_models(
     adetailer_dir,
-    extra_models_dir,
+    *extra_models_dirs.split("|"),
     huggingface=not no_huggingface,
 )
 
@@ -849,10 +849,12 @@ def on_ui_settings():
         "ad_extra_models_dir",
         shared.OptionInfo(
             default="",
-            label="Extra path to scan adetailer models",
+            label="Extra paths to scan adetailer models seperated by vertical bars",
             component=gr.Textbox,
             section=section,
-        ),
+        )
+        .info("eg. path/to/models|another/path/to/models|different/path/to/models")
+        .needs_reload_ui(),
     )
 
     shared.opts.add_option(