refactor: drop everything and start again

- too many packages
- packages were too general
- the repo was hard to work with
- sites were too connected to packages - difficult to do stuff after a while

sites/terraform-skoleni.cz/app/not-found.tsx

@@ -0,0 +1,13 @@
+import { Boundary } from '../components/Boundary';
+
+export default function NotFound() {
+  return (
+    <Boundary labels={['not-found.tsx']} color="pink">
+      <div className="space-y-4 text-vercel-pink">
+        <h2 className="text-lg font-bold">Not Found</h2>
+
+        <p className="text-sm">Could not find requested resource</p>
+      </div>
+    </Boundary>
+  );
+}