clean up static dir too

docker_build_clean

@@ -8,6 +8,7 @@
 # TODO add a way to bypass the value, maybe with a key in the setup.cfg file
 here=$(dirname $0)
 project_home=$(cd $here && cd .. && echo $PWD)
+static_dir=$project_home/static/
 if type "python3" > /dev/null;
 then
     odoo_modules="$(python3 -B -c "import configparser ; c = configparser.ConfigParser() ; c.read('${project_home}/setup.cfg') ; print (c.has_option('odoo_scripts', 'modules') and ' '.join(c.get('odoo_scripts', 'modules').split()) or '')")"
@@ -20,5 +21,6 @@
 then
     rm -rf $project_home/odoo_modules
     rm -f $project_home/odoo_modules_list
+    rm -rf $static_dir
 fi