Add mobile dark mode and user setting (#468)

* styling light and dark theme

* Icon topbar

* Fixed app bar title dark theme

* Fixed issue with getting thumbnail for things

* Refactor sharing page

* Refactor scroll thumb

* Refactor chip in auto  backup indiation button

* Refactor sharing page

* Added theme toggle

* Up version for testflight build

* Refactor backup controller page

* Refactor album selection page

* refactor album pages

* Refactor gradient color profile header

* Added theme switcher

* Register app theme correctly

* Added locale to the app

* Added translation key

* Styling for bottomsheet colors

* up server version

* Fixed font size

* Fixed overlapsed sliverappbar on photos screen

mobile/lib/modules/home/views/home_page.dart

@@ -117,9 +117,9 @@ class HomePage extends HookConsumerWidget {
               ],
             ),
             Padding(
-              padding: const EdgeInsets.only(top: 50.0),
+              padding: const EdgeInsets.only(top: 60.0, bottom: 30.0),
               child: DraggableScrollbar.semicircle(
-                backgroundColor: Theme.of(context).primaryColor,
+                backgroundColor: Theme.of(context).hintColor,
                 controller: scrollController,
                 heightScrollThumb: 48.0,
                 child: CustomScrollView(