Move solution and projects to src

src/Ryujinx.Common/Configuration/Hid/Controller/StickInputId.cs

@@ -0,0 +1,15 @@
+using Ryujinx.Common.Utilities;
+using System.Text.Json.Serialization;
+
+namespace Ryujinx.Common.Configuration.Hid.Controller
+{
+    [JsonConverter(typeof(TypedStringEnumConverter<StickInputId>))]
+    public enum StickInputId : byte
+    {
+        Unbound,
+        Left,
+        Right,
+
+        Count
+    }
+}