feat(presentation): add GET /users/me/friends handler and route

crates/presentation/src/openapi/social.rs

@@ -14,6 +14,7 @@ use utoipa::OpenApi;
         crate::handlers::social::delete_block,
         crate::handlers::social::put_top_friends,
         crate::handlers::social::get_top_friends_handler,
+        crate::handlers::social::get_friends_handler,
     ),
     components(schemas(SetTopFriendsRequest))
 )]