Only run configure if anything changed

cmd/app/main.go

@@ -123,10 +123,14 @@ func main() {
             }
         }
 
+        if(len(wgConfig.Peers) == 0){
+            logger.Info.Println("No changes, skipping")
+        } else {
             err = client.ConfigureDevice(iface, wgConfig)
             if(err != nil){
                 logger.Error.Fatalf("Error configuring wg-device '%s': %s", iface, err)
             }
+        }
         
         // Sleep for 300 seconds before running the loop again
         time.Sleep(time.Second * 300)