style(main): Run cargo fmt

src/main.rs

-use collective::{cli::{AppOpts, ConfigurableAppOpts}, config::ConfigFileFormat};
+use collective::{
+    cli::{AppOpts, ConfigurableAppOpts},
+    config::ConfigFileFormat,
+};
 use dbus_tokio::connection;
 use std::{path::PathBuf, sync::Arc};
 use tokio::{