setup for electron + gh pages 1 branch, and add stubs for API

global-shim.js

@@ -0,0 +1,3 @@
+if (typeof global === 'undefined') {
+    var global = window;
+}

main.js

@@ -0,0 +1,60 @@
+const { app, BrowserWindow } = require('electron');
+const path = require('path');
+
+let mainWindow;
+
+async function createWindow() {
+  const isDev = (await import('electron-is-dev')).default;
+
+  mainWindow = new BrowserWindow({
+    width: 1200,
+    height: 900,
+    webPreferences: {
+      nodeIntegration: true,
+      contextIsolation: false,
+    }
+  });
+
+  const url = isDev
+    ? 'http://localhost:9328'
+    : `file://${path.join(__dirname, 'dist/index.html')}`;
+
+  console.log('Loading URL:', url);
+
+  mainWindow.loadURL(url).catch(err => {
+    console.error('Failed to load URL:', err);
+  });
+
+  mainWindow.on('closed', () => {
+    mainWindow = null;
+  });
+
+  if (isDev) {
+    try {
+      const { default: installExtension, REACT_DEVELOPER_TOOLS } = require('electron-extension-installer');
+      await installExtension(REACT_DEVELOPER_TOOLS, {
+        loadExtensionOptions: {
+          allowFileAccess: true,
+        },
+      });
+    } catch (e) {
+      console.error('Failed to install extension:', e);
+    }
+  }
+}
+
+app.on("ready", async () => {
+  createWindow();
+});
+
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') {
+    app.quit();
+  }
+});
+
+app.on('activate', () => {
+  if (mainWindow === null) {
+    createWindow();
+  }
+});