Implement Hello World command

Co-authored-by: osortega <48293249+osortega@users.noreply.github.com>

Author: Copilot

package.json

@@ -885,6 +885,11 @@
 				"icon": "$(git-pull-request-create)",
 				"category": "%command.pull.request.category%"
 			},
+			{
+				"command": "pr.helloWorld",
+				"title": "Hello World",
+				"category": "%command.pull.request.category%"
+			},
 			{
 				"command": "pr.pushAndCreate",
 				"title": "%command.pr.create.title%",

src/commands.ts

@@ -1920,4 +1920,10 @@ ${contents}
 			await copilotRemoteAgentManager.resetCodingAgentPreferences();
 		})
 	);
+
+	context.subscriptions.push(
+		vscode.commands.registerCommand('pr.helloWorld', async () => {
+			vscode.window.showInformationMessage('Hello World!');
+		})
+	);
 }