Added proper providers to handle registration and boot.

src/Provider/Bootable_Provider_Interface.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Rarst\Laps\Provider;
+
+use Rarst\Laps\Laps;
+
+interface Bootable_Provider_Interface {
+
+	public function boot( Laps $laps );
+}