TOTP Program for Generate and Validate OTP with totp library

//GOOS=windows GOARCH=amd64 go build -o generator_time.exe
//command :
//set GOOS=windows
//set GOARCH=amd64
//go build -o generator_time.exe

//GOOS=linux GOARCH=amd64 go build -o generator_time
//command :
//set GOOS=linux
//set GOARCH=amd64
//go build -o generator_time