Add BLE CLI tests (#502)

* bt: introduce bt CLI commands
* api-hal-bt: add get rssi
* bt: fix cli commands
* bt: fix typos
* Bt: add missing newline in console message

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/applications.c

@@ -43,6 +43,7 @@ int32_t notification_app(void* p);
 // On system start hooks declaration
 void nfc_cli_init();
 void subghz_cli_init();
+void bt_cli_init();
 
 const FlipperApplication FLIPPER_SERVICES[] = {
 #ifdef SRV_CLI
@@ -208,6 +209,9 @@ const FlipperOnStartHook FLIPPER_ON_SYSTEM_START[] = {
 #ifdef APP_SUBGHZ
     subghz_cli_init,
 #endif
+#ifdef SRV_BT
+    bt_cli_init,
+#endif
 };
 
 const size_t FLIPPER_ON_SYSTEM_START_COUNT =