update doc in README.md

# python

[![Clojars Project](https://img.shields.io/clojars/v/python/lein-template.svg)](https://clojars.org/python/lein-template)

A Leiningen template for standard python project.

Features:

## Usage

This project is tested and works in debian based system. CentOS is not tested and may not run well.

[Install lein](https://leiningen.org/#install) if you don't have it already.

To create a new python project in a new dir `foo`, run

    lein new python foo

To run tests in the new project:

    cd foo

    make test

Check README-dev.rst in the generated project for more information on usage.

Dependencies for the generated python project:

    make - used as a build tool.