Upgrade v0.3.0

sudo systemctl stop republicd
wget https://github.com/RepublicAI/networks/releases/download/v0.3.0/republicd-linux-amd64 -O republicd
chmod +x republicd
mv republicd $HOME/go/bin/
republicd version  --long | grep -e version -e commit

sudo systemctl restart republicd && sudo journalctl -fu republicd -o cat