Update version numbers to 0.0.1 and enhance preview state management

- Increment version numbers for all applications and packages to 0.0.1.
- Introduce new state management features in the preview state store, including thread-specific dock positioning and size handling.
- Update ChatView and ChatHeader components to support new preview layout toggling functionality.
- Refactor related components to ensure seamless integration of the updated preview features.

Made-with: Cursor

Author: BunsDev