Update README.md (#90)

Author: hmdsefi

README.md

@@ -7,7 +7,7 @@
 
   <img alt="golang generic graph package" src="https://github.com/user-attachments/assets/b5728572-9c17-47e8-aa32-28aeeedf1e25" height="600" title="gograph"/>
 
-# gograph
+# GoGraph
 <br/>
 <br/>
 <p>GoGraph is a lightweight, efficient, and easy-to-use graph data structure