Add advanced generation options with Explicit and Smart modes

- Implemented `AdvancedGenerationOptions` component for toggling Explicit and Smart modes with confirmation dialogs.
- Integrated generation options into `GhostWriter`, `DraftCompanion`, and `ShortStoryGenerator`.
- Introduced `ToggleWithConfirmation` component for user interaction with alerts.
- Updated `InputField` to support centered alignment for better layout flexibility.
- Localized Explicit and Smart mode strings in English and French.
- Enhanced content preview logic to filter placeholder text before display.
- Added `autoUpdater` initialization checks and refactored updater setup for improved reliability.

electron/main.ts

@@ -87,6 +87,9 @@ function createLoginWindow(): void {
 
   loginWindow.once('ready-to-show', () => {
     loginWindow?.show();
+    if (loginWindow) {
+      initAutoUpdater(loginWindow);
+    }
   });
 
   loginWindow.on('closed', () => {
@@ -145,7 +148,9 @@ function createMainWindow(): void {
 
   mainWindow.once('ready-to-show', () => {
     mainWindow?.show();
-    initAutoUpdater(mainWindow);
+    if (mainWindow) {
+      initAutoUpdater(mainWindow);
+    }
   });
 
   mainWindow.on('closed', () => {