[FL-2627] Flipper applications: SDK, build and debug system (#1387)

* Added support for running applications from SD card (FAPs - Flipper Application Packages)
* Added plugin_dist target for fbt to build FAPs
* All apps of type FlipperAppType.EXTERNAL and FlipperAppType.PLUGIN are built as FAPs by default
* Updated VSCode configuration for new fbt features - re-deploy stock configuration to use them
* Added debugging support for FAPs with fbt debug & VSCode
* Added public firmware API with automated versioning

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>

applications/main/nfc/scenes/nfc_scene_field.c

@@ -0,0 +1,33 @@
+#include "../nfc_i.h"
+
+void nfc_scene_field_on_enter(void* context) {
+    Nfc* nfc = context;
+
+    furi_hal_nfc_field_on();
+
+    Popup* popup = nfc->popup;
+    popup_set_header(
+        popup,
+        "Field is on\nDon't leave device\nin this mode for too long.",
+        64,
+        11,
+        AlignCenter,
+        AlignTop);
+    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewPopup);
+
+    notification_internal_message(nfc->notifications, &sequence_set_blue_255);
+}
+
+bool nfc_scene_field_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    UNUSED(event);
+    return false;
+}
+
+void nfc_scene_field_on_exit(void* context) {
+    Nfc* nfc = context;
+
+    furi_hal_nfc_field_off();
+    notification_internal_message(nfc->notifications, &sequence_reset_blue);
+    popup_reset(nfc->popup);
+}