feat: add CLI Viewer Page with multi-pane layout and state management

- Implemented the CliViewerPage component for displaying CLI outputs in a configurable multi-pane layout.
- Integrated Zustand for state management, allowing for dynamic layout changes and tab management.
- Added layout options: single, split horizontal, split vertical, and 2x2 grid.
- Created viewerStore for managing layout, panes, and tabs, including actions for adding/removing panes and tabs.
- Added CoordinatorPage barrel export for easier imports.

ccw/docs-site/docs/overview.mdx

@@ -2,7 +2,6 @@
 title: Welcome to CCW
 sidebar_label: Overview
 sidebar_position: 1
-slug: /
 ---
 
 import Mermaid from '@theme/Mermaid';
@@ -29,7 +28,7 @@ CCW (Claude Code Workflows) is an advanced development environment that orchestr
 
 <div className="row">
   <div className="col col--4">
-    <Link to="/docs/workflows/introduction" className="card padding--lg">
+    <Link to="/workflows/introduction" className="card padding--lg">
       <div className="card__header">
         <h3>Workflows</h3>
       </div>
@@ -39,7 +38,7 @@ CCW (Claude Code Workflows) is an advanced development environment that orchestr
     </Link>
   </div>
   <div className="col col--4">
-    <Link to="/docs/commands/workflow/workflow-plan" className="card padding--lg">
+    <Link to="/commands/general/ccw" className="card padding--lg">
       <div className="card__header">
         <h3>Commands</h3>
       </div>
@@ -49,7 +48,7 @@ CCW (Claude Code Workflows) is an advanced development environment that orchestr
     </Link>
   </div>
   <div className="col col--4">
-    <Link to="/docs/faq" className="card padding--lg">
+    <Link to="/faq" className="card padding--lg">
       <div className="card__header">
         <h3>FAQ</h3>
       </div>