Add notarization logic and update dependencies

- Introduce `notarize.cjs` script for macOS app notarization using `@electron/notarize`.
- Add `dotenv` dependency for environment variable management.
- Update `@electron/notarize` and `dotenv` to latest versions in `package.json`.
- Extend `electron-builder` configuration to include notarization steps (`buildDependenciesFromSource`, `nodeGypRebuild`, `npmRebuild`).
- Enhance `useEffect` hooks in `page.tsx` for improved session and book synchronization logic.
- Add debug logging for book synchronization states.

scripts/notarize.cjs

@@ -0,0 +1,19 @@
+require('dotenv').config();
+const { notarize } = require('@electron/notarize');
+
+exports.default = async function notarizing(context) {
+  const { electronPlatformName, appOutDir } = context;
+  if (electronPlatformName !== 'darwin') {
+    return;
+  }
+
+  const appName = context.packager.appInfo.productFilename;
+
+  return await notarize({
+    tool: 'notarytool',
+    appPath: `${appOutDir}/${appName}.app`,
+    appleId: process.env.APPLE_ID,
+    appleIdPassword: process.env.APPLE_APP_SPECIFIC_PASSWORD,
+    teamId: process.env.APPLE_TEAM_ID
+  });
+};