store webmin configuration in /app/data/webmin

assets/init

@@ -31,6 +31,16 @@ fi
 rm -rf /var/lib/bind
 ln -sf /app/data/bind/lib /var/lib/bind
 
+# create directory for webmin
+mkdir -p /app/data/webmin
+
+# populate the default webmin configuration if it does not exist
+if [ ! -d /app/data/webmin/etc ]; then
+	mv /etc/webmin /app/data/webmin/etc
+fi
+rm -rf /etc/webmin
+ln -sf /app/data/webmin/etc /etc/webmin
+
 appStart () {
 	supervisorctl start named
 	/etc/init.d/webmin start