fix: externalize classnames to fix import issues

package.json

@@ -1,6 +1,6 @@
 {
   "name": "yys-editor",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "阴阳师流程图编辑器 - 可嵌入式组件",
   "author": "yys-editor team",
   "license": "MIT",
@@ -17,7 +17,12 @@
     "./style.css": "./dist/yys-editor.css"
   },
   "files": [
-    "dist"
+    "dist/yys-editor.css",
+    "dist/yys-editor.es.js",
+    "dist/yys-editor.es.js.map",
+    "dist/yys-editor.umd.js",
+    "dist/yys-editor.umd.js.map",
+    "dist/YysEditorEmbed.d.ts"
   ],
   "scripts": {
     "dev": "vite",

vite.config.lib.js

@@ -42,7 +42,8 @@ export default defineConfig({
         'vue3-draggable-resizable',
         'vuedraggable',
         'html2canvas',
-        'vue-i18n'
+        'vue-i18n',
+        'classnames'
       ],
       output: {
         // 全局变量名