fix: update description and standardize tag casing in "Give it a Face to Talk To" blog post

Author: harrybin

src/content/blog/give-it-a-face-to-talk-to.mdx

@@ -2,11 +2,11 @@
 author: Harald Binkle
 pubDatetime: 2025-04-24T22:00:00Z
 title: "Give it a Face to Talk To"
-description: "A guide to building a React-based AI Bot UI with speech-to-text and text-to-speech capabilities."
+description: "A guide to building a React-based AI Avatar UI with which you can talk to instead of writing."
 tags:
   - React
-  - avatar
-  - viseme
+  - Avatar
+  - Viseme
   - AI
   - Speech Integration
   - Azure OpenAI Services