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/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/basic-features/typescript for more information.