Fix debug formatting

src/main.rs

@@ -83,7 +83,7 @@ fn main() -> Result<()> {
         while let Some(msg) = app.pop_msg_out() {
             match msg {
                 app::MsgOut::Debug(path) => {
-                    fs::write(&path, format!("{}\n", serde_yaml::to_string(&app)?))?;
+                    fs::write(&path, serde_yaml::to_string(&app)?)?;
                 }
 
                 app::MsgOut::PrintResultAndQuit => {
@@ -92,7 +92,7 @@ fn main() -> Result<()> {
                 }
 
                 app::MsgOut::PrintAppStateAndQuit => {
-                    let out = format!("{}\n", serde_yaml::to_string(&app)?);
+                    let out = serde_yaml::to_string(&app)?;
                     output = Some(out);
                     break 'outer;
                 }