README: fix stat strip centering with a div wrapper

align="center" on <table> itself gets ignored - Gitea's markdown CSS
forces tables to display:block for horizontal scroll, which breaks
that attribute. Wrapping in <div align="center"> actually centers it.

README.md

@@ -10,7 +10,8 @@
 [![YouTube](https://img.shields.io/badge/YouTube-red?style=for-the-badge&logo=youtube&logoColor=white)](https://www.youtube.com/@nomadianation)
 -->
 
-<table align="center">
+<div align="center">
+<table>
 <tr>
 <td align="center">🖥️<br/><strong style="font-size:1.6em;">11</strong><br/>fleet hosts</td>
 <td align="center">🐳<br/><strong style="font-size:1.6em;">53</strong><br/>compose stacks</td>
@@ -19,6 +20,7 @@
 <td align="center">🔁<br/><strong style="font-size:1.6em;">13</strong><br/>automated maintenance flows</td>
 </tr>
 </table>
+</div>
 
 I'm a curious, self-taught technologist who runs a real, multi-host homelab as a production-grade playground. Most homelabs are a media server with some extra apps bolted on. This one is a platform: The same categories of systems a company's platform/security team owns, run at homelab scale, for real, 24/7, by one person. What started as a hobby project has grown into a full-on journey into DevOps, automation, infrastructure, and security;