Add database, login module, consignment status update, and reporting module

[sweep-ai[bot]]

Description

This PR adds the necessary changes to implement the following features:

• Database schema creation for users, consignments, and logs
• Login module for the admin
• Ability for the admin to add new users
• Module for consignment status update
• Reporting module for user logs and processed consignments

Summary of Changes

• Created a database schema in application/database/schema.sql with tables for users, consignments, and logs
• Added a LoginController in application/controllers/LoginController.php with a login function for handling login requests
• Modified AdminController in application/controllers/AdminController.php to include a createUser function for adding new users
• Modified PackageController in application/controllers/PackageController.php to include an updateStatus function for updating consignment status
• Created a ReportController in application/controllers/ReportController.php with functions for fetching user logs and processed consignments

Please review and merge these changes. Thank you!

Fixes #8.

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