Make docstrings comply to google-style

Author: forman

xrlint/cli/engine.py

@@ -126,7 +126,7 @@ def get_config_for_file(self, file_path: str) -> Config | None:
 
         Returns:
             A configuration object or `None` if no item
-            in the configuration list applies.
+                in the configuration list applies.
         """
         return self.config_list.compute_config(file_path)
 

xrlint/config.py

@@ -482,8 +482,8 @@ def compute_config(self, file_path: str) -> Config | None:
 
         Returns:
             A `Config` object which may be empty, or `None`
-            if `file_path` is not included by any `files` pattern
-            or intentionally ignored by global `ignores`.
+                if `file_path` is not included by any `files` pattern
+                or intentionally ignored by global `ignores`.
         """
 
         config = None