Fix support of multiple settings (#20)

pydantic_settings_export/generators/abstract.py

@@ -52,15 +52,15 @@ def file_paths(self) -> list[Path]:
         """
 
     @classmethod
-    def run(cls, settings: Settings, settings_info: SettingsInfoModel) -> list[Path]:
+    def run(cls, settings: Settings, *settings_info: SettingsInfoModel) -> list[Path]:
         """Run the generator.
 
         :param settings: The settings for the generator.
         :param settings_info: The settings info to generate documentation for.
         :return: The list of file paths is written to.
         """
         generator = cls(settings)
-        result = generator.generate(settings_info)
+        result = generator.generate(*settings_info)
         file_paths = generator.file_paths()
         updated_files: list[Path] = []
         for path in file_paths: