title: 'rm' is not recognized as an internal or external command when trying publish a capacitor plugin
body: <p>I am trying to publish a capacitor plugin. According to the error it is not able to recognize <code>rm</code>. I am using Window's Powershell  (VC Code)
  The following error is being generated in the powershell when npm publish in run</p>
  
  <pre><code>PS C:\Users\xxxxx\Documents\demo-plugin&gt; npm run build
  
  demo-plugin@0.0.1 build C:\Users\xxxxx\Documents\demo-plugin
  npm run clean &amp;&amp; tsc
  
  
  demo-plugin@0.0.1 clean C:\Users\xxxxxx\Documents\demo-plugin
  rm -rf ./dist
  
  'rm' is not recognized as an internal or external command,
  operable program or batch file.
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! demo-plugin@0.0.1 clean: `rm -rf ./dist`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the demo-plugin@0.0.1 clean script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\xxxxxx\AppData\Roaming\npm-cache\_logs\2019-12-16T10_11_18_987Z-debug.log
  npm ERR! code ELIFECYCLE
  npm ERR! errno 1
  npm ERR! demo-plugin@0.0.1 build: `npm run clean &amp;&amp; tsc`
  npm ERR! Exit status 1
  npm ERR!
  npm ERR! Failed at the demo-plugin@0.0.1 build script.
  npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
  
  npm ERR! A complete log of this run can be found in:
  npm ERR!     C:\Users\xxxxxx\AppData\Roaming\npm-cache\_logs\2019-12-16T10_11_19_090Z-debug.log
  </code></pre>
  
  <p>The package.json file:</p>
  
  <pre><code>{
    "name": "demo-plugin",
    "version": "0.0.1",
    "description": "Demo",
    "main": "dist/esm/index.js",
    "types": "dist/esm/index.d.ts",
    "scripts": {
      "build": "npm run clean &amp;&amp; tsc",
      "clean": "rm -rf ./dist",
      "watch": "tsc --watch",
      "prepublishOnly": "npm run build"
    },
    "author": "Puru",
    "license": "MIT",
    "dependencies": {
      "@capacitor/core": "latest"
    },
    "devDependencies": {
      "typescript": "^3.2.4",
      "@capacitor/ios": "latest",
      "@capacitor/android": "latest"
    },
    "files": [
      "dist/",
      "ios/",
      "android/",
      "DemoPlugin.podspec"
    ],
    "keywords": [
      "capacitor",
      "plugin",
      "native"
    ],
    "capacitor": {
      "ios": {
        "src": "ios"
      },
      "android": {
        "src": "android"
      }
    },
    "repository": {
      "type": "git",
      "url": "-"
    },
    "bugs": {
      "url": "-/issues"
    }
  }
  </code></pre>
  
  <p>I am trying to publish the default plugin generated by the npm generate command without any changes for testing purposes.</p>