DOCSP-46108: collection bulk write (pre-v3)

Author: rustagir

source/fundamentals/crud/write-operations.txt

@@ -15,10 +15,12 @@ Write Operations
    Update Many </fundamentals/crud/write-operations/update-many>
    Replace </fundamentals/crud/write-operations/replace>
    Delete </fundamentals/crud/write-operations/delete>
+   Bulk Write </fundamentals/crud/write-operations/bulk-write>
 
 - :ref:`csharp-insert-guide`
 - :ref:`csharp-update-one`
 - :ref:`csharp-update-many`
 - :ref:`csharp-replace-documents`
 - :ref:`csharp-delete-guide`
 - :ref:`csharp-insert-guide`
+- :ref:`csharp-bulk-write`