add tutorials page

docs/dev_guide.rst

@@ -13,3 +13,4 @@ Developer's Guide
    dev_guide/custom_field
    dev_guide/custom_data_loader
    dev_guide/custom_web_services
+   dev_guide/tutorials

docs/dev_guide/tutorials.rst

@@ -0,0 +1,25 @@
+Video Tutorials
+=================
+
+The following are user-contributed tutorial videos for module development.  Like the rest of the documentation, please feel free to add links to your own tutorial videos by submitting changes to the documentation code on `Github <https://github.com/tripal/tripal>`_.
+
+Testing
+~~~~~~~~~
+
+The `Tripal Test Suite module <https://github.com/statonlab/TripalTestSuite>`_ is used by the core Tripal module, and many custom modules, to easily set up PHPUnit and Travis CI.
+
+* `Creating and running Test Suite Tests <https://www.youtube.com/watch?v=hxuiDzRqs9U>`_
+
+* `Test Driven Development live demo <https://www.youtube.com/watch?v=zmYZ_HV3b9s>`_
+
+Developer Tools
+~~~~~~~~~~~~~~~~
+
+* `Tripal 3 - Setting Up A Website From Scratch With TripalDock <https://www.youtube.com/watch?v=5SOfQLypvdE>`_
+
+* `Tripal 3 - TripalDock Commands And Site Structure <https://www.youtube.com/watch?v=g_fmONUgG3s>`_
+
+Other
+~~~~~~~
+
+* `Loading Biomaterials with Tripal Analysis Expression <https://www.youtube.com/watch?v=7YkPp2443qA>`_