Add support for Network Logs (DNS)

[adinetech]

Add support for Network Logs (DNS) while connected to a node, allow the consumer to block the specific IP, app (include a firewall in the Mysterium VPN)

Use case: It can be used to block an app that usually spy on the user (collect data).

This is requested by a few Android users.

Screenshots were provided by a user of the Rethink DNS + Firewall app.