Add a description to examples/dialogue_bot
+// This is a bot that asks your full name, your age, your favourite kind of
+// music and sends all the gathered information back.
+//
+// # Example
+// ```
+// - Let's start! First, what's your full name?
+// - Luke Skywalker
+// - WHat a wonderful name! Your age?
+// - 26
+// - Good. Now choose your favourite music
+// *A keyboard of music kinds is displayed*
+// *You select Metal*
+// - Metal
+// - Fine. Your full name: Luke Skywalker, your age: 26, your favourite music: Metal
+// ```
+
#![allow(clippy::trivial_regex)]
#[macro_use]
