refactor: Put the files in modules

src/config/mod.rs

@@ -1,4 +1,4 @@
-use crate::vec_to_string::convert_to_vec_string;
+use crate::utils::vec_to_string::convert_to_vec_string;
 use serde::Deserialize;
 use serde_json::Value;
 use std::fs::File;

src/main.rs

@@ -1,7 +1,7 @@
 use crate::config::Config;
 
 mod config;
-mod vec_to_string;
+mod utils;
 mod server;
 
 fn main() {

src/utils/mod.rs

@@ -0,0 +1 @@
+pub mod vec_to_string;