- [x] Build PeerManager GenServer - [x] `add_peer` function to expect a ip address - [x] on adding peer `/ping` to see if it is alive, if so, add to a list of peers - [x] `check_peers` function to check all peers in list if they are still alive, remove if not
add_peerfunction to expect a ip address/pingto see if it is alive, if so, add to a list of peerscheck_peersfunction to check all peers in list if they are still alive, remove if not