made name changes in the file

Author: akshatjain1004

backend/family_tree/family_tree/urls.py

@@ -20,5 +20,5 @@
 urlpatterns = [
     path('admin/', admin.site.urls),
     path("graphql", GraphQLView.as_view(graphiql=True)),
-    path('students/', include('student_model.urls')),
+    path('students/', include('student.urls')),
 ]

backend/family_tree/student/apps.py

@@ -3,4 +3,4 @@
 
 class StudentModelConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
-    name = 'student_model'
+    name = 'student'