feat(mobile): share to mechanism (#15229)

* setup ios

* chore: succesfully sent media to the app

* share from Android

* wip: navigate to share screen

* wip: UI for displaying upload candidate

* wip: logic

* wip: upload logic

* wip: up up up we got it up

* wip

* wip

* wip

* upload state

* feat: i18n

* fix: release build ios'

* feat: clear file cache

* pr feedback

* using const for checking download status

---------

Co-authored-by: Alex <alex@pop-os.localdomain>

mobile/ios/Podfile

@@ -32,6 +32,13 @@ target 'Runner' do
   use_modular_headers!
 
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
+  
+  # share_handler addition start
+  target 'ShareExtension' do
+    inherit! :search_paths
+    pod "share_handler_ios_models", :path => ".symlinks/plugins/share_handler_ios/ios/Models"
+  end
+  # share_handler addition end
 end
 
 post_install do |installer|