fs.mitm: Implement basic passthrough framework for input commands.

stratosphere/fs_mitm/source/fsmitm_service.hpp

@@ -0,0 +1,9 @@
+#pragma once
+#include <switch.h>
+#include <stratosphere/iserviceobject.hpp>
+
+class FsMitMService : IServiceObject {        
+    public:
+        virtual Result dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size);
+        virtual Result handle_deferred();
+};