Add intro with some abilities and commands

packages/cli/src/ui/components/Intro.tsx

@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { Box, Newline, Text } from 'ink';
+import { Colors } from '../colors.js';
+
+export const Intro: React.FC = () => (
+  <Box flexDirection="column" marginBottom={1}>
+    <Text bold color={Colors.Foreground}>Abilities:</Text>
+    <Text color={Colors.Foreground}>  * Use tools to read and write files</Text>
+    <Text color={Colors.Foreground}>  * Semantically search and understand code</Text>
+    <Text color={Colors.Foreground}>  * Execute bash commands</Text>
+    <Newline/>
+    <Text bold color={Colors.Foreground}>Commands:</Text>
+    <Text color={Colors.SubtleComment}>
+      <Text bold color={Colors.AccentPurple}>  /help</Text>
+      {' '}- prints this help
+    </Text>
+    <Text color={Colors.SubtleComment}>
+      <Text bold color={Colors.AccentPurple}>  /clear</Text>
+      {' '}- clear the screen
+    </Text>
+    <Text color={Colors.SubtleComment}>
+      <Text bold color={Colors.AccentPurple}>  /exit</Text>
+    </Text>
+    <Text color={Colors.SubtleComment}>
+      <Text bold color={Colors.AccentPurple}>  /quit</Text>
+    </Text>
+  </Box>
+);