✨ feat(labels): add show option to display labels

- add option to show labels when creating a new label
- only display labels if show is true

src/labels.rs

@@ -34,7 +34,7 @@ impl std::fmt::Debug for Labels {
 
 impl Labels {
     /// Create a new List struct and add the Gmail api connection.
-    pub async fn new(credential: &str) -> Result<Self, Error> {
+    pub async fn new(credential: &str, show: bool) -> Result<Self, Error> {
         let (config_dir, secret) = {
             let config_dir = crate::utils::assure_config_dir_exists("~/.cull-gmail")?;
 
@@ -67,6 +67,7 @@ impl Labels {
         let call = hub.users().labels_list("me");
         let (_response, list) = call.doit().await.map_err(Box::new)?;
 
+        if show {
             if let Some(labels) = &list.labels {
                 for label in labels {
                     if let Some(name) = &label.name {
@@ -76,6 +77,7 @@ impl Labels {
                     }
                 }
             }
+        }
 
         let (label_list, label_map) = if let Some(labels) = list.labels {
             let mut label_map = HashMap::new();