Implement user flow for CLI

In the REPL mode, allow the user to flow through the sequence of commands in case when we can help user to made some additional

[disconnected]> cluster config show
You are not connected to node. Do you want to connect to the default node node_address ? [Y/n] "
[disconnected]> y
Connected to  node_address
...
config_output
[node_address]> 

This ticket should contains architecture of user-flow with implementation which will provide easy way to create any flow in future.