Prepare CD Callback handler

src/Library/internal-include/CD/cd_internal.hpp

@@ -60,7 +60,7 @@ namespace JabyEngine {
                     Internal::send(cmd, true, args...);
                 }
 
-template<typename...ARGS>
+                template<typename...ARGS>
                 static void sendX(CD_IO::Command::Desc cmd, ARGS...args) {
                     Internal::send(cmd, false, args...);
                 }
@@ -76,6 +76,7 @@ template<typename...ARGS>
             };
 
             namespace IRQ {
+                void data_ready_handler(uint32_t data);
                 void read_sector_to0(uint32_t* dst, size_t bytes);
                 void resume_at0(const BCDTimeStamp& cd_time);
             }