[#99] ✨ add extended twMerge due to the issue with merging custom classes

Author: KingNono1030

src/lib/twMerge/index.ts

@@ -0,0 +1,27 @@
+import { extendTailwindMerge } from 'tailwind-merge'
+
+export const twMergeEx = extendTailwindMerge({
+  extend: {
+    classGroups: {
+      'font-size': [
+        {
+          text: [
+            'heading1',
+            'heading2',
+            'heading3',
+            'heading4',
+            'heading5',
+            'title1',
+            'title2',
+            'body1',
+            'body2',
+            'body3',
+            'caption1',
+            'caption2',
+            'inherit',
+          ],
+        },
+      ],
+    },
+  },
+})