docs: align README logo format with vuetify0

- Change <p> to <div> for consistency
- Fix alt text from "Vuetify One" to "Vuetify MCP"

Author: johnleider

README.md

@@ -1,9 +1,9 @@
-<p align="center">
+<div align="center">
   <picture>
     <source media="(prefers-color-scheme: dark)" srcset="https://cdn.vuetifyjs.com/docs/images/logos/vmcp-logo2-dark.png">
-    <img alt="Vuetify One Logo" src="https://cdn.vuetifyjs.com/docs/images/logos/vmcp-logo-light.png" height="150">
+    <img alt="Vuetify MCP Logo" src="https://cdn.vuetifyjs.com/docs/images/logos/vmcp-logo-light.png" height="150">
   </picture>
-</p>
+</div>
 
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