Create example_integrating_wagtail_page_models_into_django_models.md

wagtail/example_integrating_wagtail_page_models_into_django_models.md

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+# Example of linking Django models to Wagtail Page models 
+
+Using Wagtail 6. 
+
+```python
+from django.db import models
+from modelcluster.fields import ParentalKey
+from wagtail.models import Page
+from wagtail.admin.panels import FieldPanel, InlinePanel
+from wagtail.images.panels import ImageChooserPanel
+
+# Assuming Category and Product models are defined in your Django app
+from app.models import Category
+
+class CategoryPage(Page):
+    category = models.OneToOneField(Category, on_delete=models.CASCADE, related_name="+")
+
+    # Controls extra fields added to the Wagtail Admin 
+    content_panels = Page.content_panels + [
+        FieldPanel('category'),
+    ]
+
+```