Create README.md
Create README.md

Added build instructions to README.md
wates/aws-sdk-cpp,bmanc2000/aws-sdk-cpp,bmildner/aws-sdk-cpp,awslabs/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,kahkeng/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,awslabs/aws-sdk-cpp,wates/aws-sdk-cpp,ambasta/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,kyoungchinseo/aws-sdk-cpp,bizzarri/aws-sdk-cpp,cedral/aws-sdk-cpp,svagionitis/aws-sdk-cpp,svagionitis/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,awslabs/aws-sdk-cpp,bmildner/aws-sdk-cpp,d9magai/aws-sdk-cpp,jt70471/aws-sdk-cpp,kyoungchinseo/aws-sdk-cpp,aws/aws-sdk-cpp,kyoungchinseo/aws-sdk-cpp,aws/aws-sdk-cpp,jt70471/aws-sdk-cpp,cedral/aws-sdk-cpp,jt70471/aws-sdk-cpp,zeliard/aws-sdk-cpp,kahkeng/aws-sdk-cpp,svagionitis/aws-sdk-cpp,aws/aws-sdk-cpp,svagionitis/aws-sdk-cpp,jt70471/aws-sdk-cpp,zeliard/aws-sdk-cpp,bmildner/aws-sdk-cpp,ambasta/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,jt70471/aws-sdk-cpp,awslabs/aws-sdk-cpp,aws/aws-sdk-cpp,d9magai/aws-sdk-cpp,d9magai/aws-sdk-cpp,cedral/aws-sdk-cpp,ambasta/aws-sdk-cpp,cedral/aws-sdk-cpp,ambasta/aws-sdk-cpp,kahkeng/aws-sdk-cpp,zeliard/aws-sdk-cpp,bmanc2000/aws-sdk-cpp,aws/aws-sdk-cpp,wates/aws-sdk-cpp,kyoungchinseo/aws-sdk-cpp,jt70471/aws-sdk-cpp,wates/aws-sdk-cpp,bmanc2000/aws-sdk-cpp,cedral/aws-sdk-cpp,bizzarri/aws-sdk-cpp,zeliard/aws-sdk-cpp,kahkeng/aws-sdk-cpp,aws/aws-sdk-cpp,cedral/aws-sdk-cpp,svagionitis/aws-sdk-cpp,svagionitis/aws-sdk-cpp,bmildner/aws-sdk-cpp,d9magai/aws-sdk-cpp,bmanc2000/aws-sdk-cpp,bizzarri/aws-sdk-cpp,bizzarri/aws-sdk-cpp