Adding sketchnotes

2-farm/lessons/1-predict-plant-growth/README.md

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 # Predict plant growth with IoT
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-5.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/9)

2-farm/lessons/2-detect-soil-moisture/README.md

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 # Detect soil moisture
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-6.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/11)

2-farm/lessons/3-automated-plant-watering/README.md

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 # Automated plant watering
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-7.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/13)

2-farm/lessons/4-migrate-your-plant-to-the-cloud/README.md

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 # Migrate your plant to the cloud
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-8.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/15)

2-farm/lessons/5-migrate-application-to-the-cloud/README.md

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 # Migrate your application logic to the cloud
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-9.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/17)

2-farm/lessons/6-keep-your-plant-secure/README.md

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 # Keep your plant secure
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-10.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/19)

3-transport/lessons/1-location-tracking/README.md

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 # Location tracking
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-11.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/21)

3-transport/lessons/2-store-location-data/README.md

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 # Store location data
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-12.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/23)

3-transport/lessons/3-visualize-location-data/README.md

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 # Visualize location data
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-13.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 This video gives an overview of Azure Maps with IoT, a service that will be covered in this lesson.
 
 [![Azure Maps - The Microsoft Azure Enterprise Location Platform](https://img.youtube.com/vi/P5i2GFTtb2s/0.jpg)](https://www.youtube.com/watch?v=P5i2GFTtb2s)

3-transport/lessons/4-geofences/README.md

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 # Geofences
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-14.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 This video gives an overview of geofences and how to use them in Azure Maps, topics that will be covered in this lesson:
 
 [![Geofencing with Azure Maps from the Microsoft Developer IoT show](https://img.youtube.com/vi/nsrgYhaYNVY/0.jpg)](https://www.youtube.com/watch?v=nsrgYhaYNVY)

4-manufacturing/lessons/1-train-fruit-detector/README.md

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 # Train a fruit quality detector
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-15.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 This video gives an overview of the Azure Custom Vision service, a service that will be covered in this lesson.
 
 [![Custom Vision – Machine Learning Made Easy | The Xamarin Show](https://img.youtube.com/vi/TETcDLJlWR4/0.jpg)](https://www.youtube.com/watch?v=TETcDLJlWR4)

4-manufacturing/lessons/2-check-fruit-from-device/README.md

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 # Check fruit quality from an IoT device
 
+![A sketchnote overview of this lesson](../../../sketchnotes/lesson-16.png)
+
+> Sketchnote by [Nitya Narasimhan](https://github.com/nitya). Click the image for a larger version.
+
 ## Pre-lecture quiz
 
 [Pre-lecture quiz](https://brave-island-0b7c7f50f.azurestaticapps.net/quiz/31)