[Docs] Add CLion GDB Remote Debugging Support via Docker

[YoungHypo]

Pull Request Summary

This PR provides support for CLion GDB remote debugging VIDEX, using Docker containers to isolate the development environment and facilitate efficient debugging and development workflows.

Related Issues

Resolves: #34

Detailed Description

Add 3 new files

1. Docker Debug Environment (build/Dockerfile.debug_env)

• SSH Service Support
• Port Mapping: Pre-configured ports for MySQL (13308), Videx (5001), GDB (1234), and SSH (22)

2. Debugging Script (build/debug.sh)

• Environment Setup: Starts the SSH service and copies the VIDEX storage engine
• Directory Initialization

3. Debugging Guide (doc/debug_guide.md)

• Setup Instructions: Step-by-step guide from Docker build to CLion configuration
• Visual Assistance: Contains configuration screenshots to help developers follow

check the debug guide