Added model files and updated README

README.md

-# ASF Challenge 2020
+ASF Challenge 2020
+========================
 
-Public repository for the model and documents used in the ASF Challenge (Aug 2020-Jan 2021), coordinated by Pauline Ezanno, Sébastien Picault and Timothée Vergne (INRAE). 
\ No newline at end of file
+This is the public repository for the model and documents used in the
+[ASF Challenge](https://www6.inrae.fr/asfchallenge/) (Aug 2020-Jan
+2021), coordinated by Pauline Ezanno, Sébastien Picault and Timothée
+Vergne (INRAE).
+
+
+<!-- markdown-toc start - Don't edit this section. Run M-x markdown-toc-refresh-toc -->
+**Table of Contents**
+
+- [ASF Challenge 2020](#asf-challenge-2020)
+    - [Content](#content)
+    - [Running model M0](#running-model-m0)
+    - [Data provided to ASF Challenge participants ("players")](#data-provided-to-asf-challenge-participants-players)
+
+<!-- markdown-toc end -->
+
+
+Content
+-------
+
+
+Running model M0
+----------------
+
+
+Data provided to ASF Challenge participants ("players")
+-------------------------------------------------------