Add new fields to TasksSerializer and enhance auto_generate_content_task with detailed step tracking

- Updated TasksSerializer to include 'primary_keyword', 'secondary_keywords', 'tags', and 'categories'.
- Enhanced auto_generate_content_task to track progress with detailed steps, including initialization, preparation, AI call, parsing, and saving.
- Updated progress modal to reflect new phases and improved animation for smoother user experience.
- Adjusted routing and configuration for content and drafts pages in the frontend.

backend/igny8_core/modules/writer/serializers.py

@@ -30,6 +30,10 @@ class TasksSerializer(serializers.ModelSerializer):
             'word_count',
             'meta_title',
             'meta_description',
+            'primary_keyword',
+            'secondary_keywords',
+            'tags',
+            'categories',
             'assigned_post_id',
             'post_url',
             'created_at',