fix: README parameter registry import

README.md

@@ -49,10 +49,9 @@ Create step definitions inside `color.py` of your `features/steps` directory:
 
 ```python
 from behave import given, then, when
+from behave_cucumber_matcher import parameter_registry
 from cucumber_expressions.parameter_type import ParameterType
 
-from environment import parameter_registry
-
 # Define the parameter type
 color = ParameterType(
     name="color",