Multiple Migfeat: Update publishing terminology and add publishing settings
- Changed references from "WordPress" to "Site" across multiple components for consistency.
- Introduced a new "Publishing" tab in Site Settings to manage automatic content approval and publishing behavior.
- Added publishing settings model to the backend with fields for auto-approval, auto-publish, and publishing limits.
- Implemented Celery tasks for scheduling and processing automated content publishing.
- Enhanced Writer Dashboard to include metrics for content published to the site and scheduled for publishing.
- Introduced GlobalModuleSettings model for platform-wide module enable/disable settings.
- Added 'caption' field to Images model to store image captions.
- Updated GenerateImagePromptsFunction to handle new caption structure in prompts.
- Enhanced AIPromptViewSet to return global prompt types and validate active prompts.
- Modified serializers and views to accommodate new caption field and global settings.
- Updated frontend components to display captions and filter prompts based on active types.
- Created migrations for GlobalModuleSettings and added caption field to Images.
- Added conditional visibility for table actions based on content state (published/draft).
- Introduced `publishContent` and `unpublishContent` API functions for handling WordPress integration.
- Updated `Content` component to manage publish/unpublish actions with appropriate error handling and success notifications.
- Refactored `PostEditor` to remove deprecated SEO fields and consolidate taxonomy management.
- Enhanced `TablePageTemplate` to filter row actions based on visibility conditions.
- Updated backend API to support publishing and unpublishing content with proper status updates and external references.
- Enhanced the `error_response` function to support backward compatibility by normalizing arguments when positional arguments are misused.
- Updated various views to pass `None` for the `errors` parameter in `error_response` calls, ensuring consistent response formatting.
- Adjusted logging in `ContentSyncService` and `WordPressClient` to use debug level for expected 401 errors, improving log clarity.
- Removed deprecated fields from serializers and views, streamlining content management processes.
- Introduced `ContentTaxonomy` and `ContentAttribute` models for improved content categorization and attribute management.
- Updated `Content` model to support new fields for content format, cluster role, and external type.
- Refactored serializers and views to accommodate new models, including `ContentTaxonomySerializer` and `ContentAttributeSerializer`.
- Added new API endpoints for managing taxonomies and attributes, enhancing the content management capabilities.
- Updated admin interfaces for `Content`, `ContentTaxonomy`, and `ContentAttribute` to reflect new structures and improve usability.
- Implemented backward compatibility for existing attribute mappings.
- Enhanced filtering and search capabilities in the API for better content retrieval.
