refactor: migrate docs-dev from storybook to vitepress config and update devcontainer configuration

apps/docs-dev/src/index.md

@@ -0,0 +1,21 @@
+---
+layout: home
+hero:
+  name: "Frontend Monorepo Template Docs"
+  text: "Centralized Documentation Engine"
+  tagline: "Enterprise-ready Web & Desktop architecture documentation."
+  actions:
+    - theme: brand
+      text: Get Started
+      link: /packages/core-api/
+    - theme: alt
+      text: UI Components
+      link: /packages/ui/
+features:
+  - title: Centralized Source of Truth
+    details: All documentation for apps and packages is unified here.
+  - title: Markdown Powered
+    details: Simple to maintain and read.
+  - title: Built with VitePress
+    details: Fast, responsive, and reliable documentation engine.
+---