feat: Add Global Module Settings and Caption to Images

- 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.

backend/igny8_core/modules/writer/serializers.py

@@ -89,6 +89,7 @@ class ImagesSerializer(serializers.ModelSerializer):
             'image_url',
             'image_path',
             'prompt',
+            'caption',
             'status',
             'position',
             'created_at',
@@ -126,6 +127,7 @@ class ContentImageSerializer(serializers.ModelSerializer):
             'image_url',
             'image_path',
             'prompt',
+            'caption',
             'status',
             'position',
             'created_at',