fix: fix pnpm build fail (#355)

Author: kagol

packages/docs/fluent-editor/demos/formula-chemistry.vue

@@ -2,7 +2,6 @@
 import type FluentEditor from '@opentiny/fluent-editor'
 import katex from 'katex'
 import { onMounted } from 'vue'
-import 'katex/contrib/mhchem/mhchem'
 import 'katex/dist/katex.min.css'
 
 window.katex = katex
@@ -22,6 +21,8 @@ onMounted(() => {
   import('@opentiny/fluent-editor').then((module) => {
     const FluentEditor = module.default
 
+    import('katex/contrib/mhchem/mhchem')
+
     editor = new FluentEditor('#chemistry-editor', {
       theme: 'snow',
       modules: {

packages/fluent-editor/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@opentiny/fluent-editor",
   "type": "module",
-  "version": "4.0.0-alpha.5",
+  "version": "4.0.0-alpha.6",
   "description": "A rich text editor based on Quill 2.0, which extends rich modules and formats on the basis of Quill. It's powerful and out-of-the-box.",
   "author": "OpenTiny Team",
   "license": "MIT",