Update README.md

AvinandanBose · web-flow · commit e5d0b3e021cf · 2023-01-18T13:00:41.000+05:30
diff --git a/README.md b/README.md
@@ -2529,4 +2529,7 @@ initially containing the same mappings (if any).
 
 </ul>
 
+<h2></h2>
+<h2 align="Center">Methods of EnumMap</h2>
+
 </ul>
