Readme update

Author: jmarrec

README.md

@@ -6,10 +6,23 @@
 [![Build Status](https://github.com/jmarrec/openstudio-backporter/actions/workflows/dev.yml/badge.svg)](https://github.com/jmarrec/openstudio-backporter/actions/workflows/dev.yml)
 [![codecov](https://codecov.io/gh/jmarrec/openstudio-backporter/branch/main/graphs/badge.svg)](https://codecov.io/github/jmarrec/openstudio-backporter)
 
-
 A small library to backport an [OpenStudio](https://github.com/NREL/OpenStudio) OSM model to an older version.
 I am only adding backports as old as I need to.
 
+* Documentation: <https://jmarrec.github.io/openstudio-backporter>
+* GitHub: <https://github.com/jmarrec/openstudio-backporter>
+* PyPI: <https://pypi.org/project/openstudio-backporter/>
+* TestPyPI: <https://test.pypi.org/project/openstudio-backporter/>
+
+## Install
+
+```shell
+pip install openstudio-backporter
+```
+
+## Usage
+
+### CLI
 A CLI feature is provided, that you can invoke via `python -m openstudiobackporter`
 
 See `python -m openstudiobackporter --help` for the list of command line parameters and how to use it.
@@ -20,6 +33,8 @@ Example:
 python -m openstudiobackporter --to-version 3.8.0 --save-intermediate --verbose /path/to/model3_10_0.osm
 ```
 
+### Library
+
 You can also use it as a library:
 
 ```python
@@ -35,11 +50,7 @@ backporter.backport(idf_file=model) # or model.toIdfFile()
 ```
 
 
-* Documentation: <https://jmarrec.github.io/openstudio-backporter>
-* GitHub: <https://github.com/jmarrec/openstudio-backporter>
-* PyPI: <https://pypi.org/project/openstudio-backporter/>
-* TestPyPI: <https://test.pypi.org/project/openstudio-backporter/>
-
+---
 
 This is free software (MIT License) contributed by [EffiBEM](https://www.effibem.com).