refactor, added ip validation

src/app/settings.rs

@@ -25,7 +25,7 @@ impl Settings {
             Err(_) => {
                 let newSet = Settings { entries: vec![] };
                 let payload = serde_json::to_string_pretty(&newSet).unwrap();
-                std::fs::write(config, payload);
+                let _ = std::fs::write(config, payload);
                 newSet
             }
         }
@@ -33,6 +33,6 @@ impl Settings {
 
     pub fn save(&self, config: &String) {
         let payload = serde_json::to_string(self).unwrap();
-        std::fs::write(config, payload);
+        let _ = std::fs::write(config, payload);
     }
 }