[WDF] Add Windows Driver Framework files

Takern from Microsoft GitHub repo:
d9c6040fe9

Licensed under MIT

sdk/lib/drivers/wdf/shared/irphandlers/package/fxpackage.cpp

@@ -0,0 +1,41 @@
+/*++
+
+Copyright (c) Microsoft Corporation
+
+Module Name:
+
+    package.cpp
+
+Abstract:
+
+    This module implements the base package class.  Other packages will
+    derive from this base class.
+
+Author:
+
+
+
+Environment:
+
+    Both kernel and user mode
+
+Revision History:
+
+--*/
+
+
+#include "irphandlerspriv.hpp"
+
+#include "FxPackage.hpp"
+
+FxPackage::FxPackage(
+    __in PFX_DRIVER_GLOBALS FxDriverGlobals,
+    __in CfxDevice *Device,
+    __in WDFTYPE Type
+    ) :
+    // By passing 0, we are indicating we are an internal object which will not
+    // represented as a WDFHANDLE
+    FxNonPagedObject(Type, 0, FxDriverGlobals)
+{
+    m_Device = Device;
+}