Move solution and projects to src

src/Ryujinx.Common/Configuration/DownloadableContentNca.cs

@@ -0,0 +1,14 @@
+using System.Text.Json.Serialization;
+
+namespace Ryujinx.Common.Configuration
+{
+    public struct DownloadableContentNca
+    {
+        [JsonPropertyName("path")]
+        public string FullPath { get; set; }
+        [JsonPropertyName("title_id")]
+        public ulong  TitleId  { get; set; }
+        [JsonPropertyName("is_enabled")]
+        public bool   Enabled  { get; set; }
+    }
+}