message: fix: modify main file
diff: {
  "name": "pandora-metrics",
  "version": "1.2.0",
  - "main": "src/index",
  + "main": "dist/index",
  "typings": "src/index",
  "scripts": {
  "build": "npm run lint && rm -rf ./dist && ../../node_modules/.bin/tsc",
  