[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.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <core/pubsub.h>
+#include "gui/view.h"
+#include "helpers/dolphin_deed.h"
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RECORD_DOLPHIN "dolphin"
+
+typedef struct Dolphin Dolphin;
+
+typedef struct {
+    uint32_t icounter;
+    uint32_t butthurt;
+    uint64_t timestamp;
+    uint8_t level;
+    bool level_up_is_pending;
+} DolphinStats;
+
+typedef enum {
+    DolphinPubsubEventUpdate,
+} DolphinPubsubEvent;
+
+#define DOLPHIN_DEED(deed)                                        \
+    do {                                                          \
+        Dolphin* dolphin = (Dolphin*)furi_record_open("dolphin"); \
+        dolphin_deed(dolphin, deed);                              \
+        furi_record_close("dolphin");                             \
+    } while(0)
+
+/** Deed complete notification. Call it on deed completion.
+ * See dolphin_deed.h for available deeds. In futures it will become part of assets.
+ * Thread safe, async
+ */
+void dolphin_deed(Dolphin* dolphin, DolphinDeed deed);
+
+/** Retrieve dolphin stats
+ * Thread safe, blocking
+ */
+DolphinStats dolphin_stats(Dolphin* dolphin);
+
+/** Flush dolphin queue and save state
+ * Thread safe, blocking
+ */
+void dolphin_flush(Dolphin* dolphin);
+
+void dolphin_upgrade_level(Dolphin* dolphin);
+
+FuriPubSub* dolphin_get_pubsub(Dolphin* dolphin);
+
+#ifdef __cplusplus
+}
+#endif