load react locally

schoolapps/support/forms.py

 from django import forms
-from material import Layout, Row, Fieldset
 
 
 class REBUSForm(forms.Form):

schoolapps/support/templates/support/rebus.html

@@ -3,8 +3,8 @@
 {% load static %}
 
 <main>
-    <script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
-    <script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
+    <script src="{% static 'js/react/react.development.js' %}"></script>
+    <script src="{% static 'js/react/react-dom.development.js' %}"></script>
     {% load react %}
 
     <h5>Fehler melden – REBUS – REport-A-Bug-System</h5>