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/album/views/library_page.dart

@@ -23,7 +23,7 @@ class LibraryPage extends HookConsumerWidget {
     );
 
     Widget _buildAppBar() {
-      return SliverAppBar(
+      return const SliverAppBar(
         centerTitle: true,
         floating: true,
         pinned: false,
@@ -35,7 +35,6 @@ class LibraryPage extends HookConsumerWidget {
             fontFamily: 'SnowburstOne',
             fontWeight: FontWeight.bold,
             fontSize: 22,
-            color: Theme.of(context).primaryColor,
           ),
         ),
       );
@@ -72,7 +71,6 @@ class LibraryPage extends HookConsumerWidget {
               child: const Text(
                 'library_page_new_album',
                 style: TextStyle(
-                  fontSize: 12,
                   fontWeight: FontWeight.bold,
                 ),
               ).tr(),