Add project files and configuration for .NET 9.0 Windows Desktop

Csharp/Gokspel/bin/Debug/net9.0-windows/Gokspel.deps.json

@@ -0,0 +1,23 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v9.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v9.0": {
+      "Gokspel/1.0.0": {
+        "runtime": {
+          "Gokspel.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "Gokspel/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}

Csharp/Gokspel/bin/Debug/net9.0-windows/Gokspel.runtimeconfig.json

@@ -0,0 +1,19 @@
+{
+  "runtimeOptions": {
+    "tfm": "net9.0",
+    "frameworks": [
+      {
+        "name": "Microsoft.NETCore.App",
+        "version": "9.0.0"
+      },
+      {
+        "name": "Microsoft.WindowsDesktop.App",
+        "version": "9.0.0"
+      }
+    ],
+    "configProperties": {
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false,
+      "CSWINRT_USE_WINDOWS_UI_XAML_PROJECTIONS": false
+    }
+  }
+}