ADD: divided application and configuration directory

docker-entrypoint-wikindx

@@ -8,7 +8,7 @@ if [ ! -d /var/lib/mysql/wikindx6 ] ; then
 fi
 
 # for updating from old docker container
-if [ -e /home/wikindx/index.php ]; then
+if [ -d /home/wikindx/core ]; then
   echo -n "found application in config directory ..."
   mv /home/wikindx/config.php /tmp/
   rm /home/wikindx/* -rf