Update development server documentation to clarify that it will restart on changes to both Functions code and the environment.yaml file.

Author: Jens Kürten

docs/development_server.md

@@ -30,7 +30,7 @@ python -m functions.server --secret my_secret
 
 ## Autoreloading
 
-The development server will automatically restart if you make changes to your Functions code. However it will not restart if you make changes to the `environment.yaml` file.
+The development server will automatically restart if you make changes to your Functions code or to the `environment.yaml` file.
 
 ## Exposing the server