Move solution and projects to src

src/Ryujinx.HLE/HOS/Kernel/Threading/KWritableEvent.cs

@@ -0,0 +1,25 @@
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.Horizon.Common;
+
+namespace Ryujinx.HLE.HOS.Kernel.Threading
+{
+    class KWritableEvent : KAutoObject
+    {
+        private readonly KEvent _parent;
+
+        public KWritableEvent(KernelContext context, KEvent parent) : base(context)
+        {
+            _parent = parent;
+        }
+
+        public void Signal()
+        {
+            _parent.ReadableEvent.Signal();
+        }
+
+        public Result Clear()
+        {
+            return _parent.ReadableEvent.Clear();
+        }
+    }
+}