Backup Noumi's Home Menu changes from her deleted repo

Co-Authored-By: Noumi <139501014+noumidev@users.noreply.github.com>

include/services/ns.hpp

@@ -0,0 +1,25 @@
+#pragma once
+#include "helpers.hpp"
+#include "kernel_types.hpp"
+#include "logger.hpp"
+#include "memory.hpp"
+#include "result/result.hpp"
+
+class NSService {
+    Memory& mem;
+	MAKE_LOG_FUNCTION(log, nsLogger)
+
+    // Service commands
+    void launchTitle(u32 messagePointer);
+
+public:
+    enum class Type {
+        S,  // ns:s
+        P,  // ns:p
+        C,  // ns:c
+    };
+
+    NSService(Memory& mem) : mem(mem) {}
+    void reset();
+	void handleSyncRequest(u32 messagePointer, Type type);
+};