Add sqlite example

```
Add "test_sqlite.php" example to the www/ directory:

<?php

error_reporting(-1);
include "./pdo.php";
$db_file = "./my_database.sqlite3";
PDO_Connect("sqlite:$db_file");
echo("PDO_Connect(): success! $db_file created");

?>

The "pdo.php" file can be found on the UsingSQLite wiki page.
```

Original issue reported on code.google.com by `czarek.t...@gmail.com` on 10 Jun 2013 at 4:37
