Cardano Updates

- Updated @meshsdk/core and related packages to version 1.9.0-beta.72.
- Upgraded Next.js to version 15.5.0.
- Refactored offchain.ts to add fallback values for CrowdfundDatum properties.
- Enhanced transaction debugging by logging parameters before completion.
- Changed txOutInlineDatumValue to specify JSON format.
- Updated crowdfund.ts to use MPubKeyAddress and Bool types instead of PubKeyAddress and Boolean.

- Added MeshTxInitiator class to manage transaction signing, submission, and UTxO queries.
- Introduced methods for fetching wallet UTxOs, collateral, and addresses.
- Implemented logic for handling different network configurations and language versions.
- Created CrowdfundDatum and CrowdfundDatumTS interfaces for crowdfund data structure.
- Developed Progress component for visual representation of progress in the UI.