Update examples to use new RADFish storage architecture

[jaygiang]

Update examples to use new RADFish storage architecture

This PR modernizes all RADFish examples to use the new storage system, replacing the deprecated storage patterns.

Changes Made

Storage Architecture Updates:

• Updated 4 examples to use the new Application instance with IndexedDBConnector
  • multistep-form
  • on-device-storage
  • persisted-form
  • server-sync
• Replaced useOfflineStorage hook with useApplication
• Migrated from string-based field definitions to typed Schema objects
• Updated CRUD operations to use Collection API methods (create, find, update, delete)
• Updated code snippet styling to be uniform across all example readmes

Package Version Updates:

• Updated @nmfs-radfish/radfish to ^1.1.1 across all 12 examples
• Ensured @nmfs-radfish/react-radfish is ^1.0.0 across all examples

Code Cleanup:

• Removed deprecated storage methods from mock-api/src/packages/storage/
• Updated README documentation to reflect new storage patterns

Examples Updated

• multistep-form: Multi-step form with persistent state
• on-device-storage: Offline storage with multiple collections
• persisted-form: Form persistence with URL loading
• server-sync: Data synchronization with server
• All other examples: Package version updates

Testing

All updated examples have been tested and are working correctly with the new storage
system.