Move solution and projects to src

src/Ryujinx.HLE/HOS/Services/Srepo/ISrepoService.cs

@@ -0,0 +1,9 @@
+namespace Ryujinx.HLE.HOS.Services.Srepo
+{
+    [Service("srepo:a")] // 5.0.0+
+    [Service("srepo:u")] // 5.0.0+
+    class ISrepoService : IpcService
+    {
+        public ISrepoService(ServiceCtx context) { }
+    }
+}