[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/services/dolphin/dolphin_i.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <core/pubsub.h>
+#include <furi.h>
+#include <furi_hal.h>
+
+#include "dolphin.h"
+#include "helpers/dolphin_state.h"
+
+typedef enum {
+    DolphinEventTypeDeed,
+    DolphinEventTypeStats,
+    DolphinEventTypeFlush,
+    DolphinEventTypeIncreaseButthurt,
+    DolphinEventTypeClearLimits,
+} DolphinEventType;
+
+typedef struct {
+    DolphinEventType type;
+    FuriEventFlag* flag;
+    union {
+        DolphinDeed deed;
+        DolphinStats* stats;
+    };
+} DolphinEvent;
+
+struct Dolphin {
+    // State
+    DolphinState* state;
+    // Queue
+    FuriMessageQueue* event_queue;
+    FuriPubSub* pubsub;
+    TimerHandle_t butthurt_timer;
+    TimerHandle_t flush_timer;
+    TimerHandle_t clear_limits_timer;
+};
+
+Dolphin* dolphin_alloc();
+
+void dolphin_free(Dolphin* dolphin);
+
+void dolphin_event_send_async(Dolphin* dolphin, DolphinEvent* event);
+
+void dolphin_event_send_wait(Dolphin* dolphin, DolphinEvent* event);
+
+void dolphin_event_release(Dolphin* dolphin, DolphinEvent* event);