README.md update

README.md

@@ -2,6 +2,14 @@
 
 Music album web page generator : 1 folder with music files + 1 cover image = 1 single page app with audio player
 
+# Installation
+
+```
+$ python3 -m venv labelize-env
+$ . ./labelize-env/bin/activate
+$ pip install -r requirements.txt
+
+```
 
 # Usage
 
@@ -13,4 +21,4 @@ $ python labelize.py inputDirectory outputDirectory
 
 **Dev** : CHOJ
 
-**UI Design** : CDRC LCHRZ
+**UI Design** : CDRC LCHRZ