Refactor IPC services to have commands into separate classes, fix readme url

Ryujinx.Core/OsHle/IpcServices/Am/IStorage.cs

@@ -0,0 +1,33 @@
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+
+using static Ryujinx.Core.OsHle.IpcServices.ObjHelper;
+
+namespace Ryujinx.Core.OsHle.IpcServices.Am
+{
+    class IStorage : IIpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public byte[] Data { get; private set; }
+
+        public IStorage(byte[] Data)
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, Open }
+            };
+
+            this.Data = Data;
+        }
+
+        public long Open(ServiceCtx Context)
+        {
+            MakeObject(Context, new IStorageAccessor(this));
+
+            return 0;
+        }
+    }
+}