Created base solution struct and added all 25 days

src/days/Source.cpp

@@ -0,0 +1,11 @@
+#include "../aoc2022.h"
+
+template <typename Output>
+struct SDay01 : public SDay<Output> {
+	//Class constructor
+	using SDay<Output>::SDay;
+
+	//Solutions to both days
+	Output part1() const override final { return Output(); }
+	Output part2() const override final { return Output(); }
+};