[Package] fix missing readme new versions on NPM

Author: sqlProvider

package.json

@@ -14,7 +14,7 @@
     "clean": "rm -rf dist",
     "build-umd": "webpack --config webpack.config.umd.js",
     "build-angular": "ngc -p tsconfig-ngc.json",
-    "copy-package-info": "cp ./package.json ./dist/package.json && cp ./.npmignore ./dist/.npmignore",
+    "copy-package-info": "cp ./package.json ./dist/package.json && cp ./.npmignore ./dist/.npmignore && cp ./README.md ./dist/README.md",
     "build": "npm run clean && npm run build-umd && npm run build-angular && npm run copy-package-info",
     "publish": "npm run build && ./publish.sh"
   },