Add OpenAPI Documentation using Swagger and Controller Annotations

[bzmp125]

I'd like to propose adding OpenAPI documentation using Swagger to this project. Swagger provides a standardized way to describe RESTful APIs, making it easier for developers to understand and interact with the nestjs-recipe API.

I propose adding Swagger documentation to the project by utilizing the NestJS @nestjs/swagger package. This will include:

1. Adding the @nestjs/swagger package as a dependency and adding the Swagger configuration.
2. Integrating Swagger middleware to generate and serve the OpenAPI documentation.
3. Annotating controllers and their methods with Swagger decorators (@apitags, @apioperation, @ApiParam, @ApiBody, @apiresponse, etc.) to provide detailed information about API endpoints, parameters, request/response bodies, and expected responses.

I believe this addition, combined with detailed controller annotations, will significantly enhance the developer experience for users of the nestjs-recipe library by providing clear and comprehensive documentation within the code itself.