[FL-1214] NFC application (#448)

* platform: include only used api-hal files
* api-hal-nfc: introduce nfc hal
* nfc_worker: rework nfc worker
* nfc: move nfc from services to applications, add startup hook
* api-hal-nfc: init nfc worker in api_hal_detect
* nfc: rework nfc application
* nfc: fix app exit
* api-hal-nfc: init nfc worker only once

firmware/targets/api-hal-include/api-hal.h

@@ -25,6 +25,7 @@ template <unsigned int N> struct STOP_EXTERNING_ME {};
 #include "api-hal-vibro.h"
 #include "api-hal-ibutton.h"
 #include "api-hal-rfid.h"
+#include "api-hal-nfc.h"
 
 /** Init api-hal */
 void api_hal_init();