Add affiliation and fix document class and paper format

ICHLL_Brenon.md

 ---
 title: The specificities of encoding encyclopedias: towards a new standard ?
-author: Alice BRENON
+author: Alice \textsc{Brenon} \up{1,2,*}
 numbersections: True
+documentclass: article
+classoptions:
+	- english
+	- a4paper
+	- 11pt
 header-includes:
+	\usepackage[frenchb]{babel}
 	\usepackage{textalpha}
 	\usepackage{hyperref}
 	\hypersetup{
@@ -12,6 +18,13 @@ header-includes:
 	}
 ---
 
+\begin{center}
+{\small \up{1} ICAR, CNRS, UMR5191, 69342}\\
+{\small \up{2} Univ Lyon, INSA Lyon, CNRS, UCBL, LIRIS, UMR5205, F-69621}\\
+{\small \up{*} alice.brenon\,@\,ens-lyon.fr}
+
+\end{center}
+
 # Abstract {-}
 
 As witnesses to scientific progress, dictionaries and encyclopedias draw much