DOCSP-30350 add schema val link to bulk

Author: mballard-mdb

source/crud/bulk.txt

@@ -668,6 +668,9 @@ value of ``"ten"``.
    com.mongodb.internal.connection.ProtocolHelper.getBulkWriteException(ProtocolHelper.java:254)
    ... 19 more    
 
+To learn more about schema validation, see Schema Validation in the Server
+Manual Entries section.
+
 Additional Information
 ----------------------
 
@@ -697,3 +700,4 @@ Server Manual Entries
 
 - :manual:`MongoCollection.bulkWrite() </reference/method/db.collection.bulkWrite/>`
 - :manual:`MongoClient.bulkWrite() </reference/command/bulkWrite/>`
+- :manual:`Schema Validation </core/schema-validation/>`