fix: correct broken internal link in core-concepts/plugins.mdx

- Fixed /deep-dive/bootstrap/ → /plugins/bootstrap/complete-documentation
- Link now points to the comprehensive bootstrap plugin documentation
- Improves documentation navigation and user experience

Co-authored-by: Sayo <undefined@users.noreply.github.com>

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: claude[bot]

core-concepts/plugins.mdx

@@ -36,7 +36,7 @@ export const myPlugin: Plugin = {
 
 ## Core Plugin: Bootstrap
 
-Every agent includes `@elizaos/plugin-bootstrap` which provides essential functionality for message handling, knowledge management, and basic agent operations. For detailed information, see the [Bootstrap Plugin Deep Dive](/deep-dive/bootstrap/).
+Every agent includes `@elizaos/plugin-bootstrap` which provides essential functionality for message handling, knowledge management, and basic agent operations. For detailed information, see the [Bootstrap Plugin Deep Dive](/plugins/bootstrap/complete-documentation).
 
 ## Platform Plugins