Summary: LiveChatAI adds audio playback feature

Why It Matters: This change adds a new way for users to interact with the AI.

What Changed:

• A "Click for sound" element with a "0:13" timestamp was added under the "Most Issues Solved Automatically" section.
• A "Click for sound" element was added above the "Features" heading.
• The copyright notice at the very end of the page was updated.