feat: add dialoguer-demo

__term/dialoguer-demo/src/main.rs

@@ -0,0 +1,17 @@
+use dialoguer::Select;
+use dialoguer::theme::ColorfulTheme;
+
+fn main() {
+    let items = vec!["foo", "bar", "baz"];
+
+    let selection = Select::with_theme(&ColorfulTheme::default())
+        .with_prompt("What do you choose?")
+        .items(&items)
+        .default(0)
+        .clear(true)
+        .report(false)
+        .interact()
+        .unwrap();
+
+    println!("You chose: {}", items[selection]);
+}