Update Chatbot.py Add this Under Hacktoberfest 2025

[Craniace]

Improved Button display.

Problem

• The button is not properly visible.

Solution

• Added multiple functionalities :-

1. Chat bubbles (green for user, purple for bot)
2. Time display for “time” queries
3. Clean centered title and footer
4. “Clear Chat” button
5. Emoji and friendly tone responses
6. Code structure with comments (easier to modify)
7. Regex cleanup and typo fix (r"b(no...) → r"\b(no...))

Changes proposed in this Pull Request :

Added multiple functionalities :-

1. Chat bubbles (green for user, purple for bot)
2. Time display for “time” queries
3. Clean centered title and footer
4. “Clear Chat” button
5. Emoji and friendly tone responses
6. Code structure with comments (easier to modify)
7. Regex cleanup and typo fix (r"b(no...) → r"\b(no...))