Merge branch 'master' into webSocketStreaming

backend/README.md

backend/docker-compose.yml

backend/gateway/Dockerfile

backend/gateway/Dockerfile.dev

backend/gateway/package-lock.json

backend/gateway/package.json

backend/gateway/src/generated/projector_grpc_pb.js

backend/gateway/src/generated/projector_pb.js

backend/gateway/src/index.js

backend/projector/Dockerfile

backend/projector/Dockerfile.dev

backend/projector/package-lock.json

backend/projector/package.json

frontend/package-lock.json

frontend/package.json

frontend/src/generated/projector_pb.js

protos/README.md

protos/build.sh

protos/projector.proto