lesson 21 (#81)
* Adding content
* Update en.json
* Update README.md
* Update TRANSLATIONS.md
* Adding lesson tempolates
* Fixing code files with each others code in
* Update README.md
* Adding lesson 16
* Adding virtual camera
* Adding Wio Terminal camera capture
* Adding wio terminal code
* Adding SBC classification to lesson 16
* Adding challenge, review and assignment
* Adding images and using new Azure icons
* Update README.md
* Update iot-reference-architecture.png
* Adding structure for JulyOT links
* Removing icons
* Sketchnotes!
* Create lesson-1.png
* Starting on lesson 18
* Updated sketch
* Adding virtual distance sensor
* Adding Wio Terminal image classification
* Update README.md
* Adding structure for project 6 and wio terminal distance sensor
* Adding some of the smart timer stuff
* Updating sketchnotes
* Adding virtual device speech to text
* Adding chapter 21
Jim Bennett
00502d7ed3
