[Staging] Respond to multiple PINGs (2)

WIP (Documenting)

ref:

TCP server in Rust using the std::net module.

https://doc.rust-lang.org/std/net/index.html

Relative to: #3

Summary by CodeRabbit

• New Features
  • Introduced a multi-ping target in the Makefile for improved efficiency in network checks with the Redis server.
  • Enhanced TCP server functionality to handle multiple requests from a single connection, improving responsiveness.
• Bug Fixes
  • Improved error handling and logging for read errors in the TCP server.
• Style
  • Minor whitespace adjustments in the Makefile for better readability.