[Feature request] Display the IP address flag in the log

### Prerequisites

- [x] I am running the latest version
- [x] I checked the documentation and found no answer
- [x] I checked to make sure that this issue has not already been filed

### Problem Description

User does not know the country of the IP address after DNS resolution

### Proposed Solution

I see the Surge app has a flag display feature when connecting to an IP address. This is interesting.

Screenshots:


Here to update the list of new GeoIP manually.

Screenshots:


### Additional Information

This request feature to display flags for IP addresses after DNS resolution is recorded in the log, so that the application logs more information!