Implemented Library and Download tabs!

src/app/key_binding.rs

@@ -12,6 +12,8 @@ generate_keybindings! {
     quit,
     up,
     down,
+    left,
+    right,
     submit,
     esc
 }
@@ -34,6 +36,14 @@ pub const DEFAULT_KEYBINDINGS: KeyBindings = KeyBindings {
     key: Key::Down,
     desc: "Scroll down",
   },
+  left: KeyBinding {
+    key: Key::Left,
+    desc: "Move left",
+  },
+  right: KeyBinding {
+    key: Key::Right,
+    desc: "Move right",
+  },
   submit: KeyBinding {
     key: Key::Enter,
     desc: "Select",