Add server banner to README

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: cryptobench

README.md

@@ -1,5 +1,7 @@
 # EasyClaims
 
+> **Built for the European Hytale survival server at `play.hyfyve.net`**
+
 Protect your builds on Hytale servers! Claim land, see it on your map, and share with friends.
 
 ## Quick Start