reorg declaration files; bundle index.d.ts

Author: lixun910

.gitignore

@@ -67,6 +67,8 @@ typings/
 
 # Yarn Integrity file
 .yarn-integrity
+.yarn/
+.pnp.cjs
 
 # dotenv environment variables file
 .env

lib/index.d.ts

@@ -19,6 +19,7 @@
     "babelify": "^10.0.0",
     "base64-js": "^1.5.1",
     "compression-webpack-plugin": "^7.1.2",
+    "dts-bundle": "^0.7.3",
     "eslint": "^7.28.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-import": "^2.23.4",