added database construct

.gitignore

@@ -1 +1,2 @@
 vendor/
+private/test.db

public/index.php

@@ -8,6 +8,13 @@ use Slim\Factory\AppFactory;
 require __DIR__ . '/../vendor/autoload.php';
 
 $app = AppFactory::create();
+class MyDB extends SQLite3 {
+    function __construct() {
+        $this->open('../private/test.db');
+    }
+}
+
+$db = new MyDB();
 
 function addNavbar($response)
 {