BLE: F3 integration (#260)

* BLE: working version
* BLE: cleanup
* BLE: update device description and DIS.
* BLE: explicitly take semaphore and configure CLK48, bt subsystem status, remove LPM.
* HAL: add missing api_hal_bt_is_alive symbol
* TODO about valuemutex
* duplicate f3-1 (f4) ioc from f3
* regenerate project
* use target dir for ble glue path
* update f4 from f3

Co-authored-by: coreglitch <mail@s3f.ru>

applications/bt/bt_i.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "bt.h"
+
+#include <cli/cli.h>
+#include <flipper.h>
+#include <flipper_v2.h>
+#include <gui/gui.h>
+#include <gui/widget.h>
+
+typedef struct {
+    Cli* cli;
+    Icon* statusbar_icon;
+    Widget* statusbar_widget;
+} Bt;
+
+Bt* bt_alloc();
+
+void bt_draw_statusbar_callback(CanvasApi* canvas, void* context);