Move dispatcher to nfc.

applications/nfc/dispatcher.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+enum MessageTypeBase {
+    MessageTypeExit = 0x00,
+    MessageTypeMemoryLow = 0x01,
+    MessageTypeBatteryLow = 0x02,
+};
+
+typedef struct {
+    enum MessageTypeBase type;
+} Message;
+
+typedef struct Dispatcher Dispatcher;
+
+Dispatcher* dispatcher_alloc(size_t queue_size, size_t message_size);
+
+void dispatcher_free(Dispatcher* dispatcher);
+
+void dispatcher_send(Dispatcher* dispatcher, Message* message);
+
+void dispatcher_recieve(Dispatcher* dispatcher, Message* message);
+
+void dispatcher_lock(Dispatcher* dispatcher);
+
+void dispatcher_unlock(Dispatcher* dispatcher);