Add instructions in README for storing virutualenvs in project directory
Diff
1diff --git a/README.rst b/README.rst
2index e458ad990acf218a6084fcda6474147d405c8848..4a1a4f9b51b84084cd089814454f2a4fb0127d9d 100644
3--- a/README.rst
4+++ b/README.rst
5@@ -312,6 +312,13 @@ the same location that the ``virtualenvwrapper`` package uses.
6 If you wish to change this to another location, simply set the value of the
7 environment variable ``AUTOSWITCH_VIRTUAL_ENV_DIR``.
8 9+If you wish for virtual environments to be stored within each project directory
10+then you can set the variable to use a relative path. For example:
11+
12+```
13+export AUTOSWITCH_VIRTUAL_ENV_DIR=".virtualenv"
14+```
15+
16 **Customising pip install invocation**
1718 By default `mkvenv` will install setup.py via pip in editable (i.e. development) mode. See