make deck selection more intuitive

src/main.rs

@@ -22,7 +22,14 @@ fn main() {
 
 fn init(anki: &AnkiClient) {
     clear_screen();
-    display_prompt_text("Name des Stapels: ");
+    let decks = anki.request(DeckNamesRequest {}).unwrap();
+    for (index, title) in decks.clone().into_iter().enumerate() {
+        // 0th index is Default, which is not predictable
+        if index > 0 {
+            println!("{:?}: {}", index, title);
+        }
+    }
+    display_prompt_text("deck index:");
     let mut input = "".to_string();
     loop {
         match event::read().unwrap() {
@@ -34,7 +41,10 @@ fn init(anki: &AnkiClient) {
             _ => (),
         }
     }
-    anki.request(GuiDeckReviewRequest { name: input }).unwrap();
+    anki.request(GuiDeckReviewRequest {
+        name: decks[input.parse::<usize>().unwrap()].clone(),
+    })
+    .unwrap();
 }
 
 fn prompt(anki: &AnkiClient) {