Update README.md

[tanyafish]

Add descriptions and brief instructions for each example in this folder.

[coveralls]

Pull Request Test Coverage Report for Build 15

• 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 73.684%

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Totals
Change from base Build 14:	0.0%
Covered Lines:	56
Relevant Lines:	76

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💛 - Coveralls