[upstream] Closing Exercise

This patch adds one final exercise with multiple parts to the training
so that students can apply everything they learned about contribution
to a single exercise.

Change-Id: I4e8476100fb2db407b19b1b6c727bb0529eedeee

doc/upstream-training/source/slides/slide-index.rst

@@ -44,6 +44,7 @@ Workflow and Tools for Participation
    workflow-metrics.rst
    workflow-setup-and-first-patch.rst
    workflow-using-sandbox.rst
+   workflow-closing-exercise.rst
 
 Code Deep Dive
 ==============

doc/upstream-training/source/slides/workflow-closing-exercise.rst

@@ -0,0 +1,36 @@
+=================
+Closing Exercises
+=================
+
+.. image:: ./_assets/os_background.png
+   :class: fill
+   :width: 100%
+
+Exercise 1
+==========
+
+Create an .rst file with an outline of a 5 day trip to Spain.
+Include activities and times and any other details you think
+would help you sell the trip to someone.
+
+Submit the patch to the sandbox when you're finished.
+
+Example Itinerary
+=================
+
+- Day 1
+
+  - 13:45 Sagrada Familia
+
+- Day 2
+
+  - 7:45 Cava & Winery Tour
+  - 19:45 Barcelona FC Game
+
+- Day 3-4
+
+  - 15:00 Overnight in Ibiza
+
+- Day 5
+
+  - 7:00 Day Trip to Madrid

doc/upstream-training/source/website/index.rst

@@ -126,6 +126,7 @@ Workflow and Tools for Participation
 * `Guide to SetUp and Push First Patch
   <workflow-setup-and-first-patch.html>`_
 * `Using Sandbox for Practice <workflow-using-sandbox.html>`_
+* `Closing Exercise  <workflow-closing-exercise.html>`_
 
 Code Deep Dive
 --------------