Added new `add_suggestion` module to support suggestion handling logic.
Updated `index.html` to include a dynamic suggestions container that fetches and displays context suggestions.
This improves user experience by enabling quick context changes through interactive suggestion buttons.
- Created a new About page (index.html) detailing the BotServer platform, its features, and technology stack.
- Developed a Login page (login.html) with sign-in and sign-up functionality, including form validation and user feedback messages.
- Removed the empty style.css file as it is no longer needed.
