Add key-event-end? function (#51)

helix-term/src/commands/engine/components.rs

@@ -1673,6 +1673,7 @@ event: Event?"#, $name, $name));
         "up" => Up,
         "down" => Down,
         "home" => Home,
+        "end" => End,
         "page-up" => PageUp,
         "page-down" => PageDown,
         "tab" => Tab,

steel-docs.md

@@ -2628,6 +2628,14 @@ Check whether the given event is the key: home
 (key-event-home? event)
 ```
 event: Event?
+### **key-event-end?**
+
+Check whether the given event is the key: end
+
+```scheme
+(key-event-end? event)
+```
+event: Event?
 ### **key-event-page-up?**
 
 Check whether the given event is the key: page-up