refactor: recreate extension exports

packages/extension-typography/src/typography.ts

@@ -20,7 +20,7 @@ export const laquo = new InputRule(/<<$/, '«')
 export const raquo = new InputRule(/>>$/, '»')
 export const multiplication = new InputRule(/\d+\s?([*x])\s?\d+$/, '×')
 
-const Typography = Extension.create({
+export const Typography = Extension.create({
   name: 'typography',
 
   addInputRules() {
@@ -45,8 +45,6 @@ const Typography = Extension.create({
   },
 })
 
-export default Typography
-
 declare module '@tiptap/core' {
   interface AllExtensions {
     Typography: typeof Typography,