moving song related stuff to it's own mod

Gonna try to organize pieces better, so this is step one.

src/rust/lib.rs

@@ -10,7 +10,8 @@ mod service_thing;
 pub mod settings;
 pub mod slide_model;
 mod slide_obj;
-pub mod song_model;
+pub mod songs;
 pub mod video_model;
 pub mod ytdl;
+pub mod utils;
 // mod video_thumbnail;

src/rust/song_editor.rs

@@ -1 +0,0 @@
-

src/rust/songs/mod.rs

@@ -0,0 +1,2 @@
+pub mod song_editor;
+pub mod song_model;

src/rust/songs/song_editor.rs

@@ -0,0 +1 @@
+mod song_editor;

src/rust/songs/song_model.rs

@@ -1,8 +1,8 @@
 #[cxx_qt::bridge]
-mod song_model {
+pub mod song_model {
     use crate::models::*;
     use crate::schema::songs::dsl::*;
-    use crate::song_model::song_model::Song;
+    use crate::songs::song_model::song_model::Song;
     use diesel::sqlite::SqliteConnection;
     use diesel::{delete, insert_into, prelude::*, update};
     use std::collections::HashMap;