add sample config for oracle connection

local/config/config_db.oracle.php

@@ -0,0 +1,16 @@
+<?php
+
+// database acces configuration for mysql
+// ---------------------------------------------
+
+//database type : mysql, sqlite, pgsql, etc
+define('THELIA_DB_ADAPTER','oracle');
+
+// database login
+define('THELIA_DB_USER', '__DB_LOGIN__');
+
+// database password
+define('THELIA_DB_PASSWORD', '__DB_PASSWORD__');
+
+//database DSN
+define('THELIA_DB_DSN','mysql:dbname=__DB_NAME__;host:__DB_HOST__');