start a restructure

Structural/Facade/BiosInterface.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace DesignPatterns\Facade;
+
+/**
+ * Class BiosInterface
+ */
+interface BiosInterface
+{
+    /**
+     * execute the BIOS
+     */
+    public function execute();
+
+    /**
+     * wait for halt
+     */
+    public function waitForKeyPress();
+
+    /**
+     * launches the OS
+     *
+     * @param OsInterface $os
+     */
+    public function launch(OsInterface $os);
+
+    /**
+     * power down BIOS
+     */
+    public function powerDown();
+}