Add APRS Receiving App

firmware/application/CMakeLists.txt

@@ -140,6 +140,7 @@ set(CPPSRC
 	${COMMON}/png_writer.cpp
 	${COMMON}/pocsag.cpp
 	${COMMON}/pocsag_packet.cpp
+	${COMMON}/aprs_packet.cpp
 	${COMMON}/portapack_io.cpp
 	${COMMON}/portapack_persistent_memory.cpp
 	${COMMON}/portapack_shared_memory.cpp
@@ -218,6 +219,7 @@ set(CPPSRC
 	apps/ui_adsb_rx.cpp
 	apps/ui_adsb_tx.cpp
 	apps/ui_afsk_rx.cpp
+	apps/ui_aprs_rx.cpp
 	apps/ui_btle_rx.cpp
 	apps/ui_nrf_rx.cpp
 	apps/ui_aprs_tx.cpp