Update ecosystem.rst (#515)

* Update ecosystem.rst

* Update ecosystem.rst

* Update ecosystem.rst

* add underscore

* fix doc

docs/source/ecosystem.rst

@@ -114,3 +114,18 @@ Tutorials
 .. _`Tutorial in Japanese`: https://dev.classmethod.jp/machine-learning/yoshim-featuretools-boruta-optuna/
 .. _`Optuna`: https://github.com/pfnet/optuna
 .. _`Boruta`: https://github.com/scikit-learn-contrib/boruta_py
+
+`Building a Churn Prediction Model using Featuretools`_
+=======================================================
+- A video tutorial that shows how to build a churn prediction model using Featuretools along with `Spark`_, `XGBoost`_, and `Google Cloud Platform`_.
+
+.. _`Building a Churn Prediction Model using Featuretools`: https://youtu.be/ZwwneZ6iU3Y
+.. _`Spark`: https://spark.apache.org/
+.. _`XGBoost`: https://github.com/dmlc/xgboost
+.. _`Google Cloud Platform`: https://cloud.google.com/
+
+`Automated Feature Engineering Workshop in Russian`_
+====================================================
+- A video tutorial that shows how to predict if an applicant is capable of repaying a loan using Featuretools.
+
+.. _`Automated Feature Engineering Workshop in Russian`: https://youtu.be/R0-mnamKxqY