Marimuthu

Changed the namespace of ISettingsStorageHelper interface inline with other helpers.

5

Issue link : https://github.com/CommunityToolkit/dotnet/issues/403 **Closes #403** Changed the namepspace of the interface ISettingsStorageHelper from **`CommunityToolkit.Helpers`** to **`CommunityToolkit.Common.Helpers`** ## PR Checklist - [x] Created a feature/dev branch in your fork (vs....