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/postcss.config.js

@@ -0,0 +1,8 @@
+// If you want to use other PostCSS plugins, see the following:
+// https://tailwindcss.com/docs/using-with-preprocessors
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}