Added link to video explaining the design

[HoussemDellai]

I've created this video to explain how it works on the Lightboard. I thought it would be useful to include it in the Readme file to help understand how it works. https://www.youtube.com/watch?v=TOBGA-ztINM&list=PLpbcUe4chE79sB7Jg7B4z3HytqUUEwcNE&index=1

Description

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Type of change

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• New feature (non-breaking change which adds functionality)
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How Has This Been Tested?

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[coveralls]

Pull Request Test Coverage Report for Build 8762971704

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 80.476%

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Totals
Change from base Build 8757372841:	0.0%
Covered Lines:	2906
Relevant Lines:	3611

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💛 - Coveralls