add important info to help menu

Author: meganrogge

src/vs/workbench/contrib/chat/browser/actions/chatAccessibilityHelp.ts

@@ -21,8 +21,12 @@ export function getAccessibilityHelpText(accessor: ServicesAccessor, type: 'chat
 	const content = [];
 	content.push(localize('interactiveSession.helpMenuExit', "Exit this menu and return to the input via the Escape key."));
 	if (type === 'chat') {
+		content.push(localize('chat.overview', 'Chat responses will be announced as they come in. A response will indicate the number of code blocks, if any, and then the rest of the response.'));
+		content.push(localize('chat.requestHistory', 'In the input box, use UpArrow/DownArrow to navigate your request history. Edit input and use enter to run a new request.'));
 		content.push(descriptionForCommand('chat.action.focus', localize('workbench.action.chat.focus', 'The Focus Chat command ({0}) focuses the chat request/response list, which can be navigated with UpArrow/DownArrow.',), localize('workbench.action.chat.focusNoKb', 'The Focus Chat List command focuses the chat request/response list, which can be navigated with UpArrow/DownArrow and is currently not triggerable by a keybinding.'), keybindingService));
 		content.push(descriptionForCommand('workbench.action.chat.focusInput', localize('workbench.action.chat.focusInput', 'The Focus Chat Input command ({0}) focuses the input box for chat requests.'), localize('workbench.action.interactiveSession.focusInputNoKb', 'Focus Chat Input command focuses the input box for chat requests and is currently not triggerable by a keybinding.'), keybindingService));
+		content.push(descriptionForCommand('workbench.action.chat.nextCodeBlock', localize('workbench.action.chat.nextCodeBlock', 'The Chat: Next Code Block command ({0}) focuses the next code block within a response.'), localize('workbench.action.chat.nextCodeBlockNoKb', 'The Chat: Next Code Block command focuses the next code block within a response and is currently not triggerable by a keybinding.'), keybindingService));
+		content.push(descriptionForCommand('workbench.action.chat.clear', localize('workbench.action.chat.clear', 'The Chat Clear command ({0}) clears the request/response list.'), localize('workbench.action.chat.clearNoKb', 'The Chat Clear command clears the request/response list and is currently not triggerable by a keybinding.'), keybindingService));
 	} else {
 		content.push(localize('interactiveSession.makeRequest', "Tab once to reach the make request button, which will re-run the request."));
 		const regex = /^(\/fix|\/explain)/;