Fix centering of the about text

[mrubens]

Before:

After:

---

Important

Fixes centering of the about text in ChatViewComponent by adjusting the CSS class list.

• Behavior:
  • Fixes centering of the about text in ChatViewComponent by adding mx-auto to the paragraph's class list.
• Files:
  • ChatView.tsx: Adjusted the class list for the paragraph containing the about text.

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