add basic support for title installing

sphaira/include/yati/container/nsp.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "base.hpp"
+#include <switch.h>
+
+namespace sphaira::yati::container {
+
+struct Nsp final : Base {
+    using Base::Base;
+    Result GetCollections(Collections& out) override;
+    static Result Validate(source::Base* source);
+};
+
+} // namespace sphaira::yati::container