feat(network): introduce comprehensive onboarding materials for NetworkActor, PeerActor, and SyncActor

- Created detailed technical onboarding books for NetworkActor, PeerActor, and SyncActor, providing in-depth educational resources for engineers.
- Each book includes structured content covering system architecture, core functionalities, implementation techniques, and advanced topics.
- Enhanced learning paths with progressive mastery, practical examples, and comprehensive testing methodologies to ensure deep technical proficiency.
- Integrated visual aids and educational methodologies to facilitate understanding of complex concepts in distributed systems and actor model architectures.

These onboarding materials aim to transform novice engineers into expert contributors within the Alys V2 ecosystem, ensuring robust knowledge transfer and skill development.

Author: michaelgpt