Add files/README copying from ../contao/files/README.

Fix build problem.

www/contao35/files/README

@@ -0,0 +1,22 @@
+$NetBSD: README,v 1.1 2015/12/16 09:22:19 taca Exp $
+
+1. First, create a database for Contao Open Source CMS.
+
+	# mysqladmin -p -u <administrator> create <dbname>.
+
+2. Next, create a user for accessing that database.
+
+	# mysql -p -u <administrator> <dbname>
+	mysql> grant select, insert, update, delete, create, drop,
+	       index, alter, create temporary tables, lock tables on
+	       <dbname>.* to '<dbuser>'@'localhost'
+	       identified by '<dbpass>' ;
+
+3. Edit ${PKG_SYSCONFDIR}/contao.conf and include from httpd.conf.
+
+	Include ${PKG_SYSCONFDIR}/contao.conf
+
+   Then reload or restart apache.
+
+5. Start setup from Contao installer, the installer's URL is
+   http://www.example.org/contao/install.php.