Complete best build and report

src/Platform/BestResults.h

@@ -1,17 +1,19 @@
 #ifndef BESTRESULTS_H
 #define BESTRESULTS_H
 #include <string>
+#include <nlohmann/json.hpp>
 using namespace std;
-
+using json = nlohmann::json;
 namespace platform {
     class BestResults {
     public:
         explicit BestResults(const string& path, const string& score, const string& model) : path(path), score(score), model(model) {}
-        void build();
+        string build();
         void report();
     private:
         vector<string> loadFiles();
         string bestResultFile();
+        json loadFile(const string& fileName);
         string path;
         string score;
         string model;