appsettings.Development.json

{
    "$schema" : "./umbraco/config/appsettings-schema.json",
    "Serilog": {
        "MinimumLevel": {
            "Default": "Information"
        },
        "WriteTo": [
            {
                "Name": "Async",
                "Args": {
                    "configure": [
                        {
                            "Name": "Console"
                        }
                    ]
                }
            }
        ]
    },
    "Umbraco": {
        "CMS": {
            
            "Global": {
                "Smtp": {
                    //"From": "your@email.here",
                    //"Host": "localhost",
                    // "Port": "25"
                }
            },
            "Hosting": {
                "Debug": true
            },
            "RuntimeMinification": {
                "useInMemoryCache": true,
                "cacheBuster": "Timestamp"
            },
            "RichTextEditor": {
                "Commands": [
                    {
                        "Alias": "fullscreen",
                        "Name": "Full Screen",
                        "Mode": "All"
                    }
                ],
                "Plugins": [
                    "fullscreen"
                ]
            }
        }

    }
}