[docs] Adjust indent and Add "Install with Pipenv" section

Author: nwtgck

README.md

@@ -1,37 +1,44 @@
-# multi_svr [![Build Status](https://travis-ci.org/nwtgck/multi-svr-python.svg?branch=develop)](https://travis-ci.org/nwtgck/multi-svr-python) [![Coverage Status](https://coveralls.io/repos/github/nwtgck/multi-svr-python/badge.svg?branch=develop)](https://coveralls.io/github/nwtgck/multi-svr-python?branch=develop)
+# multi_svr
+[![Build Status](https://travis-ci.org/nwtgck/multi-svr-python.svg?branch=develop)](https://travis-ci.org/nwtgck/multi-svr-python) [![Coverage Status](https://coveralls.io/repos/github/nwtgck/multi-svr-python/badge.svg?branch=develop)](https://coveralls.io/github/nwtgck/multi-svr-python?branch=develop)
 
 Support Vector Regression (SVR) for multidimensional labels
 
 
- ## Installation
+## Install with pip
 
- ```bash
- pip3 install git+https://github.com/nwtgck/multi-svr-python
- ```
+```bash
+pip3 install git+https://github.com/nwtgck/multi-svr-python
+```
 
+## Install with Pipenv
+ 
+```bash
+pipenv install --dev toml
+pipenv install git+https://github.com/nwtgck/[email protected]#egg=multi_svr
+```
 
  ## Usage
 
- ```python
+```python
 import multi_svr
 from sklearn import metrics
 
 X = [
-  [0, 0],
-  [0, 10],
-  [1, 10],
-  [1, 20],
-  [1, 30],
-  [1, 40]
+[0, 0],
+[0, 10],
+[1, 10],
+[1, 20],
+[1, 30],
+[1, 40]
 ]
 
 y = [
-  [0, 0],
-  [0, 10],
-  [2, 10],
-  [2, 20],
-  [2, 30],
-  [2, 40]
+[0, 0],
+[0, 10],
+[2, 10],
+[2, 20],
+[2, 30],
+[2, 40]
 ]
 
 #  Create SVR
@@ -42,11 +49,11 @@ regressor.fit(X, y)
 pred_y = regressor.predict(X)
 # Calc errors
 errs = metrics.mean_squared_error(y, pred_y)
- ```
- 
- ## How to test
- 
- ```bash
- cd <this repo>
- python setup.py test
- ```
+```
+
+## How to test
+
+```bash
+cd <this repo>
+python setup.py test
+```