Lusitania

• new command line flag options including: "--eth1-listener-port", "--eth1-http-port", "--eth2-listener-port", "--eth2-http-port", "--testnet(-t)", "--ntp-endpoint(-n)", "--infura-endpoint(-i)"
• eth1 listener: enter a custom eth1 listener port from the default(30303)
• eth1 http port: enter a custom eth1 http port from the default(8545)
• eth2 listener: enter a custom eth2 listener port from the default(9000, prysm 4000)
• eth2 http port: enter a custom eth2 http port from the default(5052, 3500 prysm, 9091 nimbus)
• testnet: flag the to check you are on a testnet
• ntp: provide a custom ntp endpoint
• infura: provide a custom infra endpoint