added seeders video link

docs/dev_guide/tutorials.rst

@@ -15,7 +15,7 @@ The `Tripal Test Suite module <https://github.com/statonlab/TripalTestSuite>`_ i
 
 * `Creating and running Test Suite Tests <https://www.youtube.com/watch?v=hxuiDzRqs9U>`_
 * `Test Suite Factories and DB Transactions <https://www.youtube.com/watch?v=PTJ1Dv8QAag>`_
-
+* `Test Suite Seeding and Publishing Data <https://www.youtube.com/watch?v=HE2B7YnWYfQ>`_
 * `Test Driven Development live demo <https://www.youtube.com/watch?v=zmYZ_HV3b9s>`_
 
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