feat(frontend): optimize help page layout and add i18n support

- Add Chinese and English translations for help page
- Fix button overlapping issues with responsive layouts
- Improve icon and button positioning with flexbox
- Add proper spacing and breakpoints for mobile/tablet/desktop
- Make cards consistent with flexbox layout
- Ensure all buttons have proper whitespace-nowrap
- Use flex-shrink-0 for icons to prevent squashing

ccw/frontend/src/locales/en/help.json

@@ -0,0 +1,32 @@
+{
+  "title": "Help Center",
+  "description": "Get complete documentation, guides, and support resources for CCW platform",
+  "fullDocs": "Full Docs",
+  "commandsOverview": {
+    "title": "Commands Overview",
+    "description": "Master the visual workflow editor with drag-and-drop flows"
+  },
+  "workflowsOverview": {
+    "title": "Workflows Overview",
+    "description": "Browse 40+ commands across workflow, issue, CLI, and memory categories"
+  },
+  "quickStart": {
+    "title": "Quick Start",
+    "description": "Get up and running with CCW in minutes",
+    "guide": "Getting Started Guide",
+    "faq": "Frequently Asked Questions"
+  },
+  "getStarted": "Get Started",
+  "viewAll": "View All",
+  "searchDocs": {
+    "title": "Search Documentation",
+    "description": "Find detailed documentation and examples for specific topics or commands",
+    "button": "Search Docs"
+  },
+  "support": {
+    "title": "Need Help?",
+    "description": "Access our documentation, tutorials, and community support resources",
+    "documentation": "Documentation",
+    "tutorials": "Tutorials"
+  }
+}

ccw/frontend/src/locales/en/index.ts

@@ -36,6 +36,7 @@ import graph from './graph.json';
 import notification from './notification.json';
 import notifications from './notifications.json';
 import workspace from './workspace.json';
+import help from './help.json';
 
 /**
  * Flattens nested JSON object to dot-separated keys
@@ -95,4 +96,5 @@ export default {
   ...flattenMessages(notification, 'notificationPanel'),
   ...flattenMessages(notifications, 'notifications'),
   ...flattenMessages(workspace, 'workspace'),
+  ...flattenMessages(help, 'help'),
 } as Record<string, string>;