rename field for serde so can use app in apps.toml because it makes more sense to call an app an app instead of an apps

src/apps.rs

@@ -16,6 +16,7 @@ use crate::result::Result;
 #[derive(Debug, Deserialize)]
 pub struct Apps {
 	/// List of apps to start and monitor
+	#[serde(rename = "app")]
 	apps: Vec<App>,
 }