Enables trailing slashes

* This fixes access to the about page by just visiting `/about` in production.

Author: mscottford

next.config.js

@@ -5,6 +5,7 @@ const nextConfig = {
     scrollRestoration: true,
   },
   output: 'export',
+  trailingSlash: true,
   images: {
     unoptimized: true
   }