Call for contribution (December): Substracer

[chungquantin]

Issues

• [service][network] clone netsim and simulate the network on node started substracer#2
• [service][network] implement a simple node discovery mechanism following BitTorrent or libp2p substracer#3
• [ui] build ui to add keystore to the node entity substracer#4

[kingdayx]

How can I contribute to this issue?