Update Readme.md
Update Readme.md

Add e-mail and </b> in  "<h2><b>Downloads</b></h2><br>"
DigitalCoin1/DigitalCoinBRL,DigitalCoin1/DigitalCoinBRL,DigitalCoin1/DigitalCoinBRL,DigitalCoin1/DigitalCoinBRL,DigitalCoin1/DigitalCoinBRL