Feat(SQO): Introduce minimal CI/CD pipeline

[MoonBoi9001]

Summary

This PR introduces a CI/CD pipeline for the Service Quality Oracle, along some code quality improvements.

New Features

CI/CD Pipeline

• Code Quality Pipeline (ci.yml): Automated ruff linting/formatting, MyPy type checking, Python syntax validation, and configuration validation
• Testing Pipeline (tests.yml): Auto-detects and runs unit/integration tests with coverage reporting
• Security Pipeline (security.yml): Daily dependency scans (Safety), code security (Bandit), secrets detection (TruffleHog), and Docker vulnerability scanning (Trivy)
• PR Validation (pr-check.yml): Enforces non-empty PR titles/descriptions and merge conflict detection

Developer Tooling

• Revised Ruff Script (scripts/ruff_check_format_assets.sh): Small update.
• CI/CD Documentation (.github/README.md): Documentation and development setup guide

Code Quality Improvements

• MyPy Type Checking
• Import Organization
• Revised config_loader.py

Project Structure

• Added pytest configuration
• Cleaned and organized requirements.txt

Requirements for PRs

• Non-empty PR title and description
• Pass all code quality checks (ruff, mypy)
• Docker build must succeed
• No merge conflicts
• Security scans must pass

Testing

• Auto-detection of test files in tests/ directory
• Coverage reporting for source code
• Integration test support with Docker validation