seperate redux ui impl into FrontendCore project

Il2CppInspector.Redux.FrontendCore/Outputs/VsSolutionOutput.cs

@@ -0,0 +1,29 @@
+using Il2CppInspector.Model;
+using Il2CppInspector.Outputs;
+
+namespace Il2CppInspector.Redux.FrontendCore.Outputs;
+
+public class VsSolutionOutput : IOutputFormatProvider
+{
+    public static string Id => "vssolution";
+
+    private class Settings(Dictionary<string, string> settings)
+    {
+        public readonly string UnityPath = settings.GetValueOrDefault("unitypath", "");
+        public readonly string UnityAssembliesPath = settings.GetValueOrDefault("assembliespath", "");
+    }
+
+    public async Task Export(AppModel model, UiClient client, string outputPath, Dictionary<string, string> settingsDict)
+    {
+        var settings = new Settings(settingsDict);
+
+        var writer = new CSharpCodeStubs(model.TypeModel)
+        {
+            MustCompile = true,
+            SuppressMetadata = true
+        };
+
+        await client.ShowLogMessage("Writing Visual Studio solution");
+        writer.WriteSolution(outputPath, settings.UnityPath, settings.UnityAssembliesPath);
+    }
+}