add documentation for week10 and video

docs/assignments/week10-output/output-devices.md

+# Output Devices
+
+- group assignment:
+    - measure the power consumption of an output device
+
+## Measuring the consumption of a Turbofan
+
+This week we explored a variety of output devices and we use a multimeter to measure current consumption of a DC motor
+installed inside of a 3D printer turbofan that we found around the lab.
+
+<video width="600" height="400" controls>
+  <source src="../videos/measuring-consumption-turbofan.m4v" type="video/mp4">
+</video>
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