grades can be digested

src/main.cpp

@@ -1,3 +1,4 @@
+#include "nlohmann/json_fwd.hpp"
 #include "skwyward-api-utils.hpp"
 #include "spdlog/spdlog.h"
 
@@ -13,5 +14,8 @@ int main (int argc, char *argv[]) {
 
   api_utils::ErrorResponse test_login = api_methods::get_auth_status(base_uri, test_username, test_password);
   spdlog::info("Auth attempt response : {}", test_login.success);
+
+  api_utils::GradesResponse test_grades = api_methods::get_grades(base_uri, test_username, test_password);
+  spdlog::info("Grades: {}", nlohmann::json {test_grades}.dump());
   return 0;
 }