build: add cjs export

package.json

@@ -5,13 +5,14 @@
   "author": "Travis Fischer <travis@transitivebullsh.it>",
   "repository": "transitive-bullshit/chatgpt-api",
   "license": "MIT",
-  "type": "module",
-  "source": "./src/index.ts",
   "types": "./build/index.d.ts",
+  "module": "./build/index.mjs",
   "exports": {
-    "import": "./build/index.js",
+    ".": {
-    "default": "./build/index.js",
+      "require": "./build/index.js",
+      "import": "./build/index.mjs",
       "types": "./build/index.d.ts"      
+    }
   },
   "files": [
     "build"

tsup.config.ts

@@ -5,7 +5,7 @@ export default defineConfig({
   outDir: 'build',
   target: 'node14',
   platform: 'node',
-  format: ['esm'],
+  format: ['esm', 'cjs'],
   splitting: false,
   sourcemap: true,
   minify: true,