docs(README.md): update README for improved clarity and consistency i…

…n language, add missing dependency information, and enhance examples for better understanding

- Refine language for better readability and consistency.
- Add missing dependency information for `ssr` to ensure compatibility.
- Improve code examples for clarity and maintainability.

feat(README.md): enhance SSR rendering logic and update comments for clarity
docs(README.md): improve language and examples for better understanding of SSR integration with frontend frameworks

docs(README.md): update documentation to improve clarity and consistency in code examples and explanations
style(README.md): enhance formatting and language for better readability and understanding of performance optimization techniques and best practices

docs(README): update FAQ section for clarity and consistency in language
docs(README): add related projects and contact information for user support
docs(README): revise licensing section for accuracy and clarity
docs(README): enhance contribution guidelines to encourage community involvement

feat(config): enhance SsrkitConfig with optional fields and builder pattern for better configurability
feat(island): integrate global configuration into IslandManager for dynamic settings
chore(lib): add state module to the public interface for future enhancements

feat(render.rs): refactor rendering logic to return cookies along with HTML content for improved session management
feat(state.rs): implement global state management with cookie and session handling to enhance application state management and improve performance

fix(template.rs): update cache initialization to use get_template_cache_size method for better clarity and functionality