Refactor code structure for improved readability and maintainability

tailwind.config.js

@@ -1,8 +0,0 @@
-/** @type {import('tailwindcss').Config} */
-module.exports = {
-    content: ["./frontend/src/**/*.{html,js,svelte,ts}", "./frontend/spa.html"],
-    theme: {
-        extend: {},
-    },
-    plugins: [],
-}