Update README.md

Author: hongjs

README.md

@@ -2,9 +2,15 @@
 
 EfCore.BulkOperations enables bulk operations like BulkInsert, BulkUpdate, BulkDelete, and BulkMerge. While most operations use simple SQL queries, BulkMerge requires a more complex approach.
 
+EfCore.BulkOperations Mapping columns from unique keys. You can configure custom column mapping if needed.
+
+[Go to NuGet](https://www.nuget.org/packages/EfCore.BulkOperations)
+
+---
+
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=hongjs_EfCore.BulkOperations&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=hongjs_EfCore.BulkOperations) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=hongjs_EfCore.BulkOperations&metric=coverage)](https://sonarcloud.io/summary/new_code?id=hongjs_EfCore.BulkOperations) [![Reliability Rating](https://sonarcloud.io/api/project_badges/measure?project=hongjs_EfCore.BulkOperations&metric=reliability_rating)](https://sonarcloud.io/summary/new_code?id=hongjs_EfCore.BulkOperations) [![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=hongjs_EfCore.BulkOperations&metric=security_rating)](https://sonarcloud.io/summary/new_code?id=hongjs_EfCore.BulkOperations)
 
-[NuGet](https://www.nuget.org/packages/EfCore.BulkOperations)
+
 
 ## Example