v0.15.1

• Allow class contracts to be initialized directly, with await MyClassContract.initialize(topic).
• In class contracts, topics are now passed to the constructor, making it possible to create namespaced class contracts.
• SIWESigner must now be initialized with signer, burner, or readOnly: true, e.g. new SIWESigner({ readOnly: true })
• Show more detailed sync status on apps.
  • Adds useSyncState hook.
  • Adds app.syncStatus field to Canvas class.
• Fixes an issue with importing @canvas-js/core inside the QuickJS environment.
• Adds Contract export to @canvas-js/core.

Full Changelog: v0.15.0...v0.15.1