docs(website): remove blog section, link to devbypros.com

Author: prosdev

website/content/_meta.js

@@ -1,5 +1,4 @@
 export default {
   index: 'Home',
   docs: 'Documentation',
-  blog: 'Blog',
 };

website/content/blog/10-days-of-vibe-coding.mdx

@@ -206,4 +206,6 @@ dev mcp install           # For Claude Code
 
 ---
 
+[Read the story behind dev-agent →](https://www.devbypros.com/blog/10-days-of-vibe-coding)
+
 MIT License • Built by [prosdev](https://github.com/prosdev)