Feat: documentation

src/state/ui.rs

@@ -165,4 +165,8 @@ impl UiState {
     pub fn dismiss_minimap(&mut self) {
         self.minimap = MinimapMode::Hidden;
     }
+
+    pub fn invalidate_help_cache(&self) {
+        self.help_parsed.borrow_mut().iter_mut().for_each(|slot| *slot = None);
+    }
 }