Adds Scoreboard.

src/Scoreboard.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <cstdint>
+
+
+namespace gj {
+
+
+struct Scoreboard {
+ public:
+  size_t input   = 0;
+  size_t correct = 0;
+  size_t miss    = 0;
+
+  size_t lines         = 0;
+  size_t completeLines = 0;
+};
+
+
+}