chore(templates): replace rm -rf with rimraf

Author: phatpham9

generators/app/templates/package.json

@@ -14,8 +14,8 @@
     "prebuild": "yarn clean",
     "build": "rollup -c",
     "postbuild": "copyfiles CHANGELOG.md LICENSE package.json README.md build",
-    "purge": "rm -rf node_modules",
-    "clean": "rm -rf build .rpt2_cache",
+    "purge": "rimraf node_modules",
+    "clean": "rimraf build .rpt2_cache",
     "format": "prettier --write --ignore-path .gitignore .",
     "format:check": "prettier --check --ignore-path .gitignore .",
     "lint": "eslint --quiet --ignore-path .gitignore --ext .ts .",
@@ -43,6 +43,7 @@
     "husky": "*",
     "lint-staged": "*",
     "prettier": "*",
+    "rimraf": "*",
     "rollup": "*",
     "standard-version": "*",
     "tslib": "*",