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

Ryujinx.Core/OsHle/Services/ServiceSet.cs

@@ -1,32 +0,0 @@
-using ChocolArm64.Memory;
-
-namespace Ryujinx.Core.OsHle.Services
-{
-    static partial class Service
-    {
-        private const int LangCodesCount = 13;
-
-        public static long SetGetAvailableLanguageCodes(ServiceCtx Context)
-        {
-            int PtrBuffSize = Context.RequestData.ReadInt32();
-
-            if (Context.Request.RecvListBuff.Count > 0)
-            {
-                long  Position = Context.Request.RecvListBuff[0].Position;
-                short Size     = Context.Request.RecvListBuff[0].Size;
-
-                //This should return an array of ints with values matching the LanguageCode enum.
-                byte[] Data = new byte[Size];
-
-                Data[0] = 0;
-                Data[1] = 1;
-
-                AMemoryHelper.WriteBytes(Context.Memory, Position, Data);
-            }
-
-            Context.ResponseData.Write(LangCodesCount);
-
-            return 0;
-        }
-    }
-}