Add initial windows-store script

Author: kevinsawicki

package.json

@@ -17,6 +17,7 @@
     "pack-linux": "electron-packager . --asar --overwrite --platform=linux --arch=x64 --icon=assets/app-icon/png/64.png --prune=true --out=out",
     "package": "npm run pack-mac && npm run pack-win && npm run pack-linux",
     "installer": "node ./script/installer.js",
+    "windows-store": "node ./script/windows-store.js",
     "prepare-release": "npm run package && npm run sign-exe && npm run installer && npm run sign-installer",
     "release": "node ./script/release.js"
   },

script/windows-store.js

@@ -0,0 +1,23 @@
+const ChildProcess = require('child_process')
+const path = require('path')
+
+const version = require('../package').version
+
+const command = path.join(__dirname, '..', 'node_modules', '.bin', 'electron-windows-store.cmd')
+const args = [
+  '--input-directory',
+  path.join(__dirname, '..', 'ElectronAPIDemos-win32-ia32'),
+  '--output-directory',
+  path.join(__dirname, '..', 'windows-store'),
+  '--flatten',
+  true,
+  '--package-version',
+  version,
+  '--package-name',
+  'ElectronAPIDemos'
+]
+
+const windowsStore = ChildProcess.spawn(command, args, {stdio: 'inherit'})
+windowsStore.on('close', (code) => {
+  process.exit(code)
+})