feat: rm 兼容 win

Author: aOrz

template/package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "dev": "node build/dev-server.js",
     "start": "node build/dev-server.js",
-    "build": "rm -rf dist && node build/build.js"{{#unit}},
+    "build": "rimraf dist && node build/build.js"{{#unit}},
     "unit": "cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run"{{/unit}}{{#e2e}},
     "e2e": "node test/e2e/runner.js"{{/e2e}}{{#if_or unit e2e}},
     "test": "{{#unit}}npm run unit{{/unit}}{{#unit}}{{#e2e}} && {{/e2e}}{{/unit}}{{#e2e}}npm run e2e{{/e2e}}"{{/if_or}}{{#lint}},
@@ -24,6 +24,7 @@
     "portfinder": "^1.0.13",
     "postcss-mpvue-wxss": "^1.0.0",
     "px2rpx-loader": "^0.1.8",
+    "rimraf": "^2.6.2",
     "babel-core": "^6.22.1",
     "glob": "^7.1.2",
     "webpack-mpvue-asset-plugin": "^0.0.1",