build: 配置widget导出格式

- 将根目录、cwd-admin、cwd-api和docs/widget的package.json版本统一更新为0.1.4-beta
- 在cwd-widget的package.json中添加main、module和exports字段，支持ES模块和UMD格式
- 修改vite配置，同时生成ES和UMD格式的文件，文件名包含格式后缀

docs/widget/package.json

@@ -1,10 +1,21 @@
 {
   "name": "cwd-widget",
-  "version": "0.1.3",
+  "version": "0.1.4-beta",
   "description": "Server-free, extremely fast and secure, plug-and-play commenting system based on Cloudflare Workers and the Global Edge Network.",
   "type": "module",
   "author": "anghunk",
   "license": "Apache-2.0",
+  "main": "./dist/cwd.umd.js",
+  "module": "./dist/cwd.es.js",
+  "exports": {
+    ".": {
+      "import": "./dist/cwd.es.js",
+      "require": "./dist/cwd.umd.js"
+    }
+  },
+  "files": [
+    "dist"
+  ],
   "scripts": {
     "dev": "vite",
     "build": "vite build",

docs/widget/vite.config.js

@@ -17,8 +17,8 @@ export default defineConfig({
 		lib: {
 			name: 'CWDComments',
 			entry: resolve(__dirname, 'src/index.js'),
-			formats: ['umd'],
-			fileName: (format) => `cwd.js`,
+			formats: ['es', 'umd'],
+			fileName: (format) => `cwd.${format}.js`,
 		},
 		rollupOptions: {
 			output: {