migrate ArchiveBot to django framework with web UI

[tianyi-gu]

refactors the ArchiveBot project by integrating it into a Django-based web app

• reorganization of the codebase into a Django project structure
• addition of a web interface with HTML templates to allow users to interact with the bot through a browser
• implementation of Django models.py for persistent storage of archived content
• introduction of views.py and urls.py to handle routing and server logic
• use of SQLite for local development and data management