chore: Bump version to v0.5.0-beta.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@nervina-labs/ckb-dex",
-  "version": "0.4.0",
+  "version": "0.5.0-beta.1",
   "description": "The JavaScript SDK for CKB DEX",
   "author": "duanyytop <duanyytop@gmail.com>",
   "license": "MIT",
@@ -10,13 +10,24 @@
   "publishConfig": {
     "access": "public"
   },
-  "main": "lib/index.js",
-  "types": "lib/index.d.ts",
+  "sideEffects": false,
+  "main": "./dist/index.js",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.ts",
   "files": [
-    "/lib"
+    "dist",
+    "src"
   ],
+  "exports": {
+    ".": {
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.js",
+      "types": "./dist/index.d.ts"
+    },
+    "./package.json": "./package.json"
+  },
   "scripts": {
-    "build": "rm -rf lib && tsc",
+    "build": "tsup",
     "maker": "npx esr example/maker.ts",
     "lint": "eslint src/**/*.ts --fix",
     "test": "vitest --run",
@@ -51,6 +62,7 @@
     "eslint-config-prettier": "9.1.0",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-prettier": "5.1.3",
+    "tsup": "^8.1.0",
     "prettier": "3.3.2",
     "tslib": "2.6.3",
     "typescript": "5.5.2",