Major project restructuring

Remove unecessary files and made the tree much more cleaner.

Signed-off-by: Ronald Caesar <github43132@proton.me>

core/common/Thread.h

@@ -0,0 +1,45 @@
+// Copyright 2025 Xenon Emulator Project. All rights reserved.
+
+#pragma once
+
+#include <chrono>
+#include "Types.h"
+
+namespace Base
+{
+
+enum class ThreadPriority : u32
+{
+    Low = 0,
+    Normal = 1,
+    High = 2,
+    VeryHigh = 3,
+    Critical = 4
+};
+
+void SetCurrentThreadRealtime(std::chrono::nanoseconds period_ns);
+
+void SetCurrentThreadPriority(ThreadPriority new_priority);
+
+void SetCurrentThreadName(const std::string_view& name);
+
+void SetThreadName(void* thread, const std::string_view& name);
+
+class AccurateTimer
+{
+    std::chrono::nanoseconds target_interval{};
+    std::chrono::nanoseconds total_wait{};
+
+    std::chrono::high_resolution_clock::time_point start_time;
+
+   public:
+    explicit AccurateTimer(std::chrono::nanoseconds target_interval);
+
+    void Start();
+
+    void End();
+
+    std::chrono::nanoseconds GetTotalWait() const { return total_wait; }
+};
+
+}  // namespace Base