This commit introduces significant updates to the OCR processing logic and UI components:
- Updated the OCR extraction prompt in `config.py` to provide detailed instructions for handling shopping list images, improving accuracy in item identification and extraction.
- Upgraded the `GEMINI_MODEL_NAME` to a newer version for enhanced OCR capabilities.
- Added a new `CreateGroupModal.vue` component for creating groups, improving user interaction.
- Updated `MainLayout.vue` to integrate the new group creation modal and enhance the user menu and language selector functionality.
- Improved styling and structure in various components, including `ChoresPage.vue` and `GroupDetailPage.vue`, for better user experience and visual consistency.
These changes aim to enhance the overall functionality and usability of the application.
