refactor: Handle optional experimental code better

> introduce `hooks::devel` to aggregate debug specific code
> fix support for IIDX31 (target LDJ-010 instead)

launcher/launcher.cpp

@@ -61,6 +61,7 @@
 #include "games/qks/qks.h"
 #include "games/mfg/mfg.h"
 #include "games/museca/museca.h"
+#include "hooks/develhook.h"
 #include "hooks/avshook.h"
 #include "hooks/audio/audio.h"
 #include "hooks/debughook.h"
@@ -2159,6 +2160,9 @@ int main_implementation(int argc, char *argv[]) {
 #endif
     };
 
+    // devel start
+    hooks::devel::entry_main();
+
     // game start
     log_info("launcher", "calling game entry");
     avs::game::entry_main();