docs: Adding the IKEMEN GO logo in the readme (#3656)

Author: OmegaShironeko

README.md

@@ -1,4 +1,9 @@
-# Ikemen GO
+
+<p align="center">
+  <a href="https://ikemen-engine.github.io/">
+    <img src="https://github.com/user-attachments/assets/0dcd7ae1-5c9d-44e1-aa32-9ec4b9ed3952" style="width: 699px; alt="IKEMEN GO Logo"/>
+  </a>
+</p>
 
 Ikemen GO is an open source fighting game engine that supports resources from the [M.U.G.E.N](https://en.wikipedia.org/wiki/Mugen_(game_engine)) engine, written in Google’s programming language, [Go](https://go.dev/). It is a complete rewrite of a prior engine known simply as Ikemen.