use actix_settings::{ApplySettings as _, Settings, BasicSettings};use serde::{Deserialize, Serialize};#[derive(Clone, Debug, Deserialize, Serialize)]pub struct AppSettings {pub database: DatabaseSettings}#[derive(Clone, Debug, Deserialize, Serialize)]pub struct DatabaseSettings {pub host: String,pub port: u16,pub username: String,pub password: String,pub database: String}pub fn init () -> BasicSettings<AppSettings> {BasicSettings::<AppSettings>::parse_toml("./config.toml").unwrap()}