feat: validate configuration

src/services/action.rs

@@ -81,7 +81,7 @@ mod tests {
     use async_trait::async_trait;
     use chrono::NaiveDateTime;
     use color_eyre::eyre::{eyre, Result};
-    use std::collections::HashMap;
+    use std::collections::BTreeMap;
     use std::sync::atomic::{AtomicBool, Ordering};
     use tempfile::tempdir;
 
@@ -198,7 +198,7 @@ mod tests {
             bitmagnet: None,
             transmission: None,
             ntfy: None,
-            sources: HashMap::new(),
+            sources: BTreeMap::new(),
         };
 
         let result = action_service.init_actions(&config);