feat: [Updated] Loading screen listener with percent and message (#1563)

* last update

* eslint fix

* headless fix

* Update index.d.ts

Co-authored-by: stefanfuchs <stefan1234@gmail.com>

* Update index.d.ts - Add 'LOADING_SCREEN' type to Enum

Co-authored-by: stefanfuchs <stefan1234@gmail.com>
Co-authored-by: Rajeh Taher <rajeh@reforward.dev>

src/util/Constants.js

@@ -46,6 +46,7 @@ exports.Events = {
     GROUP_LEAVE: 'group_leave',
     GROUP_UPDATE: 'group_update',
     QR_RECEIVED: 'qr',
+    LOADING_SCREEN: 'loading_screen',
     DISCONNECTED: 'disconnected',
     STATE_CHANGED: 'change_state',
     BATTERY_CHANGED: 'change_battery',