Merge pull request #56 from ttedeschi/fix-docs

Add installation and other info for C++ implementation

Author: oglez

README.md

@@ -2,11 +2,21 @@
 Holding repo for CMS plotting style ROOT macros
 guidelines available at https://cms-analysis.docs.cern.ch/guidelines/plotting/general/
 
+Both python and C++ implementations available.
+
 ## Installation
-```
+Python:
+```python
 pip install cmsstyle
 ```
 
+C++:
+```bash
+git clone https://github.com/cms-cat/cmsstyle.git
+cd cmsstyle
+source scripts/setup_cmstyle 
+```
+
 ## Documentation
 
-Documentation is available at [cmsstyle.readthedocs.io](https://cmsstyle.readthedocs.io/).
+Documentation for the Python implementation is available at [cmsstyle.readthedocs.io](https://cmsstyle.readthedocs.io/). C++ implementation is analogous.