Add all API endpoint

[romain-fontugne]

We have to implement a new class for all API endpoing

[romain-fontugne]

The priority here is to add:

• /hegemony/countries/
• /hegemony/prefixes/
• /network_delay/

[MAVRICK-1]

The priority here is to add:

• /hegemony/countries/
• /hegemony/prefixes/
• /network_delay/

@romain-fontugne can i work on this ?

[MAVRICK-1]

The priority here is to add:

• /hegemony/countries/
• /hegemony/prefixes/
• /network_delay/

@romain-fontugne should I have to add countries or prefix as params?
should have to make separate classes for countries and prefixes?