Imports of cluster_monitoring command

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/kr/prettyPackage pretty provides pretty-printing for Go values.
go.mongodb.org/mongo-driver/x/mongo/driver/topologyPackage topology is intended for internal use only.
logPackage log implements a simple logging package.