rename example directory to docs

Add Converalls Badge

Add Cover badge

Add godoc badge

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Add demo gif file

Update README.md

Update README.md

Update README.md

Update the README

fixed the readme table align code style issue

fixed readme code style