refactor: Move common utility functions to src/modes/common.rs and update module structure

src/main.rs

@@ -20,6 +20,7 @@ use strum::IntoEnumIterator;
 use clap::error::ErrorKind;
 use clap::*;
 use log::*;
+use crate::modes::common::*;
 
 extern crate directories;
 use directories::ProjectDirs;