sequence counter isn ow persistent, msg type count support

mission/sysDefs.h

@@ -34,6 +34,9 @@ enum Copy : int { COPY_0, COPY_1, NO_COPY, SELF_COPY, ALL_COPY };
 
 namespace core {
 
+extern std::atomic_bool SAVE_PUS_SEQUENCE_COUNT;
+extern std::atomic_bool SAVE_CFDP_SEQUENCE_COUNT;
+
 // TODO: Support for status? Or maybe some command to quickly get information whether a unit
 // is running.
 enum SystemctlCmd : uint8_t { START = 0, STOP = 1, RESTART = 2, NUM_CMDS = 3 };