feat(chat): Add notification tip to rotating tips

Add a new tip to the rotating tips array that informs users about
enabling terminal notifications with the settings command.

🤖 Assisted by [Amazon Q Developer](https://aws.amazon.com/q/developer)

Author: somarsai

crates/q_chat/src/lib.rs

@@ -199,7 +199,8 @@ const SMALL_SCREEN_WECLOME_TEXT: &str = color_print::cstr! {"
 <em>Welcome to <cyan!>Amazon Q</cyan!>!</em>
 "};
 
-const ROTATING_TIPS: [&str; 8] = [
+const ROTATING_TIPS: [&str; 9] = [
+    color_print::cstr! {"You can enable terminal notifications with command <green!>q settings chat.enableNotifications true</green!>"},
     color_print::cstr! {"You can use <green!>/editor</green!> to edit your prompt with a vim-like experience"},
     color_print::cstr! {"You can execute bash commands by typing <green!>!</green!> followed by the command"},
     color_print::cstr! {"Q can use tools without asking for confirmation every time. Give <green!>/tools trust</green!> a try"},