feat: add -c/--config flag to every command

tests/commands/test_show.py

@@ -8,18 +8,26 @@ from halig.settings import Settings
 
 def test_show_raises_note_path_does_not_exist(notes, settings: Settings):
     with pytest.raises(ValueError, match="does not exist"):
-        ShowCommand(Path('foo'), settings=settings, )
+        ShowCommand(
+            Path("foo"),
+            settings=settings,
+        )
 
 
 def test_show_raises_note_path_is_not_age_valid(notes, settings: Settings):
     note_path = settings.notebooks_root_path / "foo.txt"
     note_path.touch()
     with pytest.raises(ValueError, match="is not a valid AGE file"):
-        ShowCommand(note_path, settings=settings, )
+        ShowCommand(
+            note_path,
+            settings=settings,
+        )
 
 
 def test_show_current_note(current_note, settings):
-    show_command = ShowCommand(note_path=settings.notebooks_root_path, settings=settings)
+    show_command = ShowCommand(
+        note_path=settings.notebooks_root_path, settings=settings
+    )
     assert show_command.note_path == current_note
     assert show_command.decrypt() == "foo"