message: feat(build): use es2015 module compile target
  fixes
diff: "compilerOptions": {
  "outDir": "../dist",
  "target": "es5",
  - "module": "commonjs",
  + "module": "es2015",
  "moduleResolution": "node",
  "emitDecoratorMetadata": true,
  "experimentalDecorators": true,
  - "sourceMap": false,
  + "sourceMap": true,
  + "inlineSources": true,
  "noEmitHelpers": false,
  "noImplicitAny": true,
  "declaration": true,
  "./index.ts"
  ],
  "angularCompilerOptions": {
  - "genDir": "../temp/factories"
  + "genDir": "../temp/factories",
  + "strictMetadataEmit": true,
  + "skipTemplateCodegen": true
  }
  }
  