[POC] update readme

README.md

@@ -2,7 +2,6 @@
 
 This repository contains code to generate a Hugo website based on markedown files coming from [Hedgedoc](https://hedgedoc.org/).
 
-
 ## Install
 
 ### Install Hugo
@@ -28,15 +27,22 @@ mkdir themes
 ```
 
 2. Import your code in the repo `themes`, for instance:
+
 ```
 cd themes
 git clone https://github.com/matcornic/hugo-theme-learn.git
 ```
 
+## Sync data
+
+```
+./update.sh
+```
 
 ## Run your Hugo
 
 Launch the following command from your local repository:
+
 ```
 hugo serve
-```
+```