Add OAuth2/OpenID compatible middleware to Swagger

SwaggerUIOAuth2MiddlewarwStartup.cs

public void ConfigureServices(IServiceCollection services)
{
    // Other settings
    services
        .AddSwaggerGen(c =>
        {
            // Other settings
            c.AddSecurityDefinition("oauth2", new OAuth2Scheme
            {
                Type = "oauth2",
                Flow = "implicit",
                AuthorizationUrl = Configuration
                                .GetSection("Authority").Value,
                Scopes = GetScopes("my_api")
            });
        });
}