Adding link to self-training documents

Author: sfroidurot

README.md

@@ -19,6 +19,11 @@ BuildSysPro open source 3.2.0 is compatible with OpenModelica 1.9.3. When workin
 ### License
 The BuildSysPro open source library is licensed by EDF under the [Modelica License Version 2](https://www.modelica.org/licenses/ModelicaLicense2).
 
+### Documentation
+A set of [self-training documents](https://github.com/edf-enerbat/buildsyspro-doc) for the BuildSysPro open source library is available.
+
 ### References
 1. Plessis G., Kaemmerlen A., Lindsay A. (2014) [BuildSysPro: a Modelica library for modelling buildings and energy systems](https://www.modelica.org/events/modelica2014/proceedings/html/submissions/ECP140961161_PlessisKaemmerlenLindsay.pdf). Modelica Conference 2014.
 2. Schumann M. (2015) [Vers une plate-forme de modélisation du bâtiment au quartier multiphysique avec Modelica et BuildSysPro](http://ibpsa.fr/jdownloads/Simurex/2015/Presentations/29_01_mathieuschumann.pdf) (*Towards a multiphysics modelling platform for buildings and districts with Modelica and BuildSysPro*), IBPSA France SIMUREX 2015 Conference.
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