message: Change an npm script to be Windows compatible
diff: "license": "MIT",
  "version": "1.0.0",
  "scripts": {
  - "build": "tsc ; shx cp src/render_process/*.html dist/render_process/ ; shx cp src/*.js dist/",
  + "build": "tsc && shx cp src/render_process/*.html dist/render_process/ && shx cp src/*.js dist/",
  "build-icons": "node resources/extra_icons/build.js",
  "build-test-css": "node build_scripts/build_theme_css_test_page.js",
  "clean": "shx rm -rf dist",
  