chore: Update Cargo.lock and Cargo.toml for Hiramu 0.1.8 release

[raphaelmansuy]

feat: Add support for streaming results in ClaudeClient
docs: Update README with examples for using ClaudeClient

This commit includes the following changes:

1. Updated the Cargo.lock and Cargo.toml files to reflect the new version 0.1.8 of the Hiramu crate.
2. Implemented the ability to stream results in the ClaudeClient, allowing for more efficient and responsive handling of large responses.
3. Updated the README file with examples demonstrating the usage of the ClaudeClient and its streaming capabilities.