chore: remove outdated documentation and assets

- Deleted folder access documentation as it is no longer relevant.
- Removed getting started guide and index page due to restructuring.
- Cleared troubleshooting guide to streamline user support.
- Eliminated license file and package.json for documentation.
- Removed unused public assets including logo and screenshots.

feat: update HomeTab with new DuckUI Embed feature

- Added new action for embedding DuckUI in applications.
- Updated links for Duck-UI documentation and resources.

fix: improve WASM connection handling

- Refactored export statements in duckdb index for clarity.
- Enhanced error handling in wasmConnection for better resilience.

Author: caioricciuti