Fix bad medicenlutte.fr nginx config

playbooks/medicenlutte.fr/medicenlutte.fr.conf

@@ -2,7 +2,10 @@ server {
 	listen 80;
 	listen [::]:80;
 	server_name medicenlutte.fr;
-    root /srv/www/medicenlutte.fr/;
+
+	location / {
+    	root /srv/www/medicenlutte.fr/;
+	}
 
 	location /.well-known/matrix {
 		include "proxy_params";