Add current nodeinfo 2.2 draft

config/config.go

@@ -107,6 +107,8 @@ type ConfigSelf struct {
 	ServerActorDisplayName string `toml:"server_actor_display_name"`
 	// The name of the server provided via nodeinfo
 	ServerDisplayName string `toml:"server_display_name"`
+	// The description of the server
+	ServerDescription string `toml:"server_description"`
 }
 
 // Contains experimental features that could be good to have
@@ -212,6 +214,7 @@ var defaultConfig Config = Config{
 	Self: ConfigSelf{
 		ServerActorDisplayName: "Server actor",
 		ServerDisplayName:      "Linstrom",
+		ServerDescription:      "A social media server running Linstrom",
 	},
 	S3: ConfigS3{
 		KeyId:    "Example key ID",