added a new example file and gitignored the prod file

.gitignore

@@ -1,2 +1,3 @@
 */.DS_Store
 .DS_Store
+db.inc.php

db.inc.example.php

@@ -0,0 +1,9 @@
+<?php
+$mysqlhost = 'localhost';
+$dbname = 'usertable';
+$dbuser = 'usertable';
+$dbpass = 'password';
+$pdo = new PDO('mysql:host='.$mysqlhost.';dbname='.$dbname.'', $dbuser , $dbpass);
+//$pdo = new PDO('mysql:host=localhost;dbname=usertable', 'usertable', 'password');
+?>
+