fix

src/Fufle/ORM/Database/Connectors/IConnector.php

@@ -7,4 +7,5 @@ use Fufle\ORM\Database\Credentials;
 interface IConnector {
     public function getConnectionString(Credentials $credentials);
     public function driverEquals(string $driver);
+    public static function Connect(string $host, int $port, string $database, string $user, string $password);
 }

src/Fufle/ORM/Database/Connectors/PostgresConnector.php

@@ -3,6 +3,7 @@
 namespace Fufle\ORM\Database\Connectors;
 
 use Fufle\ORM\Database\Credentials;
+use Fufle\ORM\Database\ConnectionManager;
 
 class PostgresConnector implements IConnector {
     public function getConnectionString(Credentials $c) {