Add basic dlsite crawler

Reformat application config

src/constants.rs

@@ -1,6 +1,7 @@
 use directories::BaseDirs;
 use lazy_static::lazy_static;
 use std::path::PathBuf;
+use crate::config::types::ApplicationConfig;
 
 const APP_DIR_NAME: &str = "sus_manager";
 lazy_static! {