feat(models/pages.py): add repository_url field to CoursePage

home/models/pages.py

@@ -66,6 +66,11 @@ class CoursePage(Page):
         help_text="Additional groups that should have access to this course, e.g. Editors. NOTE: Users who purchase the course will be automatically added to a dedicated access group for this course, so you don't need to add that group here.",
     )
 
+    repository_url = models.URLField(
+        null=True,
+        blank=True,
+    )
+
     def _user_has_access(self, user):
         if not user.is_authenticated:
             return False
@@ -124,6 +129,11 @@ class CoursePage(Page):
         FieldPanel("description"),
         FieldPanel("body"),
         FieldPanel("allowed_groups", widget=CheckboxSelectMultiple),
+        FieldPanel(
+            "repository_url",
+            read_only=True,
+            heading="Repository URL (auto-generated)",
+        ),
     ]
     parent_page_types = ["home.CourseIndexPage"]
     subpage_types = ["home.CourseModulePage"]