Add submarine cables to the country overview map

[dpgiakatos]

Is your feature request related to a problem? Please describe.
Submarine cables play a crucial role in understanding a country's infrastructure.

Describe the solution you'd like
Integrate a map on the Country Overview page that shows all submarine cables that start, end, or pass through the respective country.

[dpgiakatos]

Please note that this is already assigned. Kindly check the logs before requesting the assignment. Thanks.

[kehach07]

hii @dpgiakatos sir, can you please assign me this issue, i would love to contribute in this.