Changed C++ standard to C++17 and will implement functionality to retrieve songs, albums, artists, genres, cover art, and year records in json. Will add explicit versioning too

include/Models/Flags.h

@@ -0,0 +1,15 @@
+#ifndef FLAGS_H_
+#define FLAGS_H_
+
+#include<string>
+
+namespace Models
+{
+    struct Flags
+    {
+        std::string flag;
+        std::string value;
+    };
+}
+
+#endif