vuln-runner should be able to execute vulnerable environment remotely

[giper45]

• Define a server start command
• Define a server stop command
• Define a client discovery command: it returns a list of vulnerable nodes. The servers answers with a reply, the client set an id.
• Define a client generate env command. The client creates a vulnerable environment with the list of ids obtained by the sever.
• Define a client set command: the client sends to the nodes the vulnerable enviornment file

[giper45]

 
				_______
	ping
C --------->  	!  NET
				______


		<----- node1
C
		<----- node2



Requirements: controller and node version must be equal

Completed: 
{
	"ip" : {

	},
	"ip2" : {

	}, 
	"ip3" : {

	}
}

vuln-controller init <subnet>
- prompt for a token 

=>  Create a json configuration with environments and a token 
	Store it in the ~/.vulhub/hosts

vuln-controller generate-vulnenvs (previous JSON)
-> 
Create a json configuration with environments. 
Store it in the ~/.vulhub/hosts

vuln-controller list: 
	returns the list of hosts in ~/.vulhub/hosts


node side: 
vuln-node init 
=> 	prompt for the token
	stores it in the ~/.vulhub/hosts 
	listen on TCP socket