Added onboarding and exe output.

scripts/build-win.js

@@ -0,0 +1,25 @@
+const fs = require('fs');
+const path = require('path');
+const {exec} = require('pkg');
+const {version: packageVersion} = require('../package.json');
+
+function normalizeBuildVersion(value) {
+  const version = (value || packageVersion || '0.0.0').toString().trim();
+  return version.startsWith('v') ? version : `v${version}`;
+}
+
+async function main() {
+  const distDir = path.resolve(__dirname, '..', 'dist');
+  if (!fs.existsSync(distDir)) {
+    fs.mkdirSync(distDir, {recursive: true});
+  }
+
+  const buildVersion = normalizeBuildVersion(process.env.BUILD_VERSION);
+  const outputFile = path.join(distDir, `gSheets-Rate-Assistant-${buildVersion}.exe`);
+  await exec(['.', '--targets', 'latest-win-x64', '--output', outputFile]);
+}
+
+main().catch(error => {
+  console.error(error && error.stack ? error.stack : error);
+  process.exit(1);
+});