docs: Add VISION and FUTURE guides to documentation

- Add comprehensive Vision guide (LUMOS ENDGAME as workflow language)
- Add Future guide (horizontal expansion plans for multichain, DevOps, Web2)
- Update sidebar navigation with Vision and Future links
- Add badges to highlight new pages

Resolves #73

Generated with Claude Code (https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: rz1989s

astro.config.mjs

@@ -62,6 +62,8 @@ export default defineConfig({
 					label: 'Guides',
 					items: [
 						{ label: 'Migration Guide', slug: 'guides/migration-guide' },
+						{ label: 'Vision', slug: 'guides/vision', badge: { text: 'New', variant: 'success' } },
+						{ label: 'Future', slug: 'guides/future', badge: { text: 'New', variant: 'success' } },
 					],
 				},
 				// {