OpenVPN - how to make the given IP address the default?

Question

openvpn

Hello, there are 2 virtual machines. The OpenVPN server does not make the given address the default address, so you have to write ip route add default on the client.
They suggested that this is fixed in server.conf, but I did not find where exactly.

server.conf - https://pastebin.com/5PbfT4b8
client.conf - https://pastebin.com/fjVK3KaV

Thanks