Cardano Updates

- Added `getCanonicalWalletAddress` function to standardize wallet address retrieval based on wallet type in `useWalletBalances.ts`.
- Refactored balance fetching logic to utilize the new canonical address function.
- Improved error handling for multisig wallet construction in the API endpoint, falling back to decoding stored CBOR for imported wallets.
- Introduced native script utilities in `nativeScriptUtils.ts` for decoding, converting, and analyzing native scripts.
- Added comprehensive tests for the new native script utilities, covering various scenarios including hierarchical and deeply nested scripts.
- Updated `common.ts` to leverage new native script utilities for wallet construction.
- Cleaned up unused code and improved overall structure for better maintainability.

- Updated `.env.example` to reflect new database port settings for local development with Docker.
- Enhanced `next.config.js` to include path resolution for the `@meshsdk/react` alias and updated Turbopack configuration.
- Updated dependencies in `package.json` and `package-lock.json` to the latest versions of `@meshsdk` packages.
- Added new environment variable `NEXT_PUBLIC_GUARDRAILS_POLICY_HASH` to `src/env.js` for improved governance handling.
- Refactored crowdfund components to support treasury withdrawal actions and improved error handling for reward addresses.
- Enhanced transaction handling in the crowdfund UI, ensuring better user experience and validation for governance actions.