Update README: install via pypi

README.md

@@ -12,12 +12,10 @@ how to use it.
 
 ## Installing
 
-The package is not available on [PyPI](https://pypi.org/).
+Just install the package with 'pip':
-At the moment the package is hosted at https://marceln.org/download/python.
 
-You can install the package with pip:
 ``` 
-pip install --extra-index-url https://marceln.org/download/python lmwsip
+pip install lmwsip
 ``` 
 
 ## Examples