AddCommands adds go and git commands.

EnsureGo ensures that go is installed.

EnsureGolangCI ensures that golangci is installed.

EnsureGoProto ensures that go proto generator is installed.

EnsureProtoC ensures that protoc is installed.

GitFetch fetches changes from repo.

GoBuildPkg builds go package.

GoLint runs golangci linter, runs go mod tidy and checks that git tree is clean.

GoModTidy calls `go mod tidy`.

GoTest runs go test.

InstallAll installs all go tools.