README: isolated venv install

[jhermann]

Want a PR for this? (or apply the diff directly)

--- a/README.rst
+++ b/README.rst
@@ -28,2 +28,7 @@ How to install

+If you prefer an **isolated and easily removable venv installation**,
+consider using `dephell jail install pydeps`_ instead.
+
+.. _`dephell jail install pydeps`: https://dephell.readthedocs.io/cmd-jail-install.html
+
 Basic Usage

[thebjorn]

While dephell looks cool, you would need to include the install instructions for dephell as well (which are surprising for windows users). Everyone knows what pip install ... does, and I'm thinking that users that want to use dephell (or virtualenvwrapper, or any of the other ways of installing or isolating python packages) will know how to translate pip install ... into their tool of choice.