Refactoring checklist

[ssemenkoff]

• [x] Multilevel dashboard

  • [x] Move movable logic to useMovableLayout composable.

• [x] Widgets

  • [x] Move Store-related logic to useStore composable
  • [x] Move serialization/deserialization logic to useSerialization

• [ ] Stores

  • [ ] Strong typing on XMLAStore.ts
  • [ ] Strong typing on Store.ts
  • [ ] Strong typing on datasources

• [x] Rework the way settings are set in the application

  • [x] Propper interfaces for settings for each widget
  • [x] useSettings composable to handle settings logic

• [ ] MDX Generator

  • [ ] Strong typing
  • [ ] Check if generator can be used as separate module