Organize workspace: Frontend, Backend, and Tests in one repo

.nuget/packages/microsoft.aspnetcore.openapi/9.0.13/PACKAGE.md

@@ -0,0 +1,54 @@
+## About
+
+Microsoft.AspNetCore.OpenApi is a NuGet package that provides built-in support for generating OpenAPI documents from minimal or controller-based APIs in ASP.NET Core.
+
+## Key Features
+
+* Supports viewing generated OpenAPI documents at runtime via a parameterized endpoint (`/openapi/{documentName}.json`)
+* Supports generating an OpenAPI document at build-time
+* Supports customizing the generated document via document transformers
+
+## How to Use
+
+To start using Microsoft.AspNetCore.OpenApi in your ASP.NET Core application, follow these steps:
+
+### Installation
+
+```sh
+dotnet add package Microsoft.AspNetCore.OpenApi
+```
+
+### Configuration
+
+In your Program.cs file, register the services provided by this package in the DI container and map the provided OpenAPI document endpoint in the application.
+
+```C#
+var builder = WebApplication.CreateBuilder();
+
+// Registers the required services
+builder.Services.AddOpenApi();
+
+var app = builder.Build();
+
+// Adds the /openapi/{documentName}.json endpoint to the application
+app.MapOpenApi();
+
+app.Run();
+```
+
+For more information on configuring and using Microsoft.AspNetCore.OpenApi, refer to the [official documentation](https://learn.microsoft.com/aspnet/core/fundamentals/minimal-apis/openapi).
+
+## Main Types
+
+<!-- The main types provided in this library -->
+
+The main types provided by this library are:
+
+* `OpenApiOptions`: Options for configuring OpenAPI document generation.
+* `IDocumentTransformer`: Transformer that modifies the OpenAPI document generated by the library.
+
+## Feedback & Contributing
+
+<!-- How to provide feedback on this package and contribute to it -->
+
+Microsoft.AspNetCore.OpenApi is released as open-source under the [MIT license](https://licenses.nuget.org/MIT). Bug reports and contributions are welcome at [the GitHub repository](https://github.com/dotnet/aspnetcore).