Added empty CDC post

docs/210-Migrate Data/30-cdc-migration.mdx

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+# 🦸 Migration using CDC and Kafka
+
+:::info
+Extra activity! Do it if you have extra time or are following along at home. It won't be covered during the hands-on lab.
+:::
+
+Check out this post [The Great Continuous Migration: CDC Jobs With Confluent Cloud and Relational Migrator](https://www.mongodb.com/developer/products/mongodb/cdc-confluentcloud-relational-migrator/)