refactor: simplify Node class definition by replacing RootModel with …

…Union type

- Updated the Node class to use a Union type alias instead of inheriting from RootModel, streamlining the code structure.
- Adjusted the timestamp in the generated schema file to reflect the latest changes.

refactor: update UISchema and ChartPropsSchema to use .nullish() for …

…optional fields

- Changed optional fields in UISchema and ChartPropsSchema from .optional() to .nullish() for better handling of null values.
- Enhanced the custom Zod generator to differentiate between object/array types and apply .nullish() accordingly, improving schema validation and serialization.

refactor: enhance UI schema documentation and structure

- Improved descriptions for UI component nodes, edges, and events in the schema to clarify their roles and relationships.
- Updated the JSON schema to enforce required fields for edges and events, ensuring better validation.
- Removed unnecessary `ConfigDict(extra='forbid')` from Python model classes to streamline the code.
- Adjusted the structure of the Node class to use a Union type for better type handling.

Merge pull request #1 from AgentBossMode/dev/kanishkgupta/newscheme

feat: updating the json schema to reduce pydantic footprint

rename to promptius-gui

update repository link