redirections to github for the header

src/components/Header.jsx

@@ -25,8 +25,8 @@ const navItems = [
   { label: 'Get Started', href: '/getting-started' },
   { label: 'Download', href: '/download' },
   { label: 'Apps', href: '/apps' },
-  { label: 'Create', href: '/build' },
-  { label: 'FAQ', href: '/faq' },
+  { label: 'Create', href: 'https://github.com/pollen-robotics/reachy_mini' },
+  { label: 'FAQ', href: 'https://github.com/pollen-robotics/reachy_mini/blob/prepare_docs_launch/docs/troubleshooting.md' },
   { label: 'Community', href: 'https://discord.gg/2bAhWfXme9', external: true },
 ];