added kafka

docker-compose.yml

src/banktransfer/Dockerfile

src/banktransfer/docker-entrypoint.sh

src/banktransfer/go.mod

src/banktransfer/go.sum

src/banktransfer/grpc/banktransfer/banktransfer.pb.go

src/banktransfer/grpc/banktransfer/banktransfer.proto

src/banktransfer/grpc/banktransfer/banktransfer_grpc.pb.go

src/banktransfer/kafka/reader.go

src/banktransfer/kafka/topic.go

src/banktransfer/kafka/writer.go

src/banktransfer/main.go

src/banktransfer/service/banktransfer.go

src/banktransfer/service/keygenerator.go

src/myaktion/docker-entrypoint.sh