add /infrastructure-from-code (#622)

Author: davemooreuws

src/nav.config.ts

@@ -290,6 +290,10 @@ const fullNav: FullNav = {
           title: 'What is Nitric?',
           href: '/concepts/introduction',
         },
+        {
+          title: 'Infrastructure from Code (IfC)',
+          href: '/concepts/infrastructure-from-code',
+        },
         {
           title: 'How Nitric works',
           href: '/concepts/how-nitric-works',