Implement reporting and update-security-db commands

[dharapandya85]

This PR fixes #19.
To check for current implementation:

To create security-db.json

python3 -m archpkg.paths

Test CLI

python3 -m archpkg install yay
python3 -m archpkg install malicious-pkg

python3 -m archpkg update-security-db
No remote data provided. Placeholder update.

To implement:

• Remote syncing: fetch JSON from GitHub, merge with local DB(if applicable),
• Automated weekly updated
• PKGBUILD scanning, analyzing PKGBUILD for suspicious patterns

[Copilot]

Pull Request Overview

This PR implements security database functionality with reporting and update commands for the archpkg tool. It adds security checking capabilities to protect users from potentially malicious packages during installation.

• Adds security database initialization and management functionality
• Implements CLI commands for package reporting and security database updates
• Creates comprehensive logging and exception handling infrastructure

Reviewed Changes

Copilot reviewed 15 out of 19 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
archpkg/security.py	Core security database class with package checking and reporting functionality
archpkg/paths.py	Path utilities for XDG-compliant configuration and security database initialization
archpkg/main.py	CLI entry point with install, report, and update-security-db commands
build/lib/archpkg/*	Duplicate source files in build directory
archpkg/logging_config.py	Comprehensive logging configuration system
archpkg/exceptions.py	Exception hierarchy for error handling
archpkg/config.py	Configuration constants and settings
archpkg.egg-info/*	Package metadata files

Comments suppressed due to low confidence (4)

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