add safelist for dark mode

Author: jerolan

tailwind.config.js

@@ -1,9 +1,14 @@
 module.exports = {
-  purge: [
-    "./pages/**/*.{js,ts,jsx,tsx}",
-    "./components/**/*.{js,ts,jsx,tsx}",
-    "./out/**/*.{js,ts,jsx,tsx,html,css}",
-  ],
+  purge: {
+    enabled: true,
+    content: [
+      "./pages/**/*.{js,ts,jsx,tsx}",
+      "./components/**/*.{js,ts,jsx,tsx}",
+    ],
+    options: {
+      safelist: ["dark"],
+    },
+  },
   darkMode: "class",
   variants: {
     extend: {