Move solution and projects to src

src/Ryujinx.Common/Pools/SharedPools.cs

@@ -0,0 +1,17 @@
+namespace Ryujinx.Common
+{
+    public static class SharedPools
+    {
+        private static class DefaultPool<T>
+            where T : class, new()
+        {
+            public static readonly ObjectPool<T> Instance = new ObjectPool<T>(() => new T(), 20);
+        }
+
+        public static ObjectPool<T> Default<T>()
+            where T : class, new()
+        {
+            return DefaultPool<T>.Instance;
+        }
+    }
+}