feat: polished UI for websat

[mikejgray]

Description

Detail improvements to the websat UI:

• More consistent color schemes
• Transparent default logo and favicon
• Change font
• Adjust button and text box sizing
• Color highlights on focus for buttons and text boxes
• Switch to Tailwind.css for base CSS

Issues

N/A

[NeonDaniel]

Could this align inputs/responses with opposite justifications or with some prefix to indicate input vs response?

[mikejgray]

Could this align inputs/responses with opposite justifications or with some prefix to indicate input vs response?

Hmm....looks like I didn't preserve the text message style in the chat window. I'll bring that back