Merge branch 'refactoring' into 'master'

.gitignore

README.md

app/go.mod

app/go.sum

app/main.go

lab1/README.md

lab1/app/client.go

lab1/app/client.yaml

lab1/app/command-line/userinput.go

lab1/app/go.mod

lab1/app/go.sum

lab1/app/manage-connection/manage-connection.go

lab1/app/neighbor-0.yaml

lab1/app/neighbor-1.yaml

lab1/app/neighbor-2.yaml

lab1/app/neighbor-3.yaml

lab1/app/neighbor-4.yaml

lab1/app/neighbor-5.yaml

lab1/app/object-storage/object-storage.go

lab1/app/process-connection/process-connection.go