Added video section and a video to your repo

[raer6]

Review the Contributing Guidelines

Before submitting a pull request, verify it meets all requirements in the Contributing Guidelines.

Describe Why This Is Awesome

Why is this awesome?

-- I think this is awesome because this video course gives you a complete tour of the essential tools, techniques, and concepts you need to do complex predictions and other data analysis using the AWS machine learning services. Thank you for your consideration.

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[codecov-io]

Codecov Report

Merging #149 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #149   +/-   ##
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  Coverage   96.59%   96.59%           
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  Files           3        3           
  Lines          88       88           
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  Hits           85       85           
  Misses          3        3