fix(frontend): add help text to story form (#2594)

* fix(frontend): add help text to story form

Closes #2364

* chore: source migration

* fix: use meta class overrides instead

* feat: linkify

Author: JacobCoffee

successstories/forms.py

@@ -24,6 +24,10 @@ class Meta:
         labels = {
             'name': 'Story name',
         }
+        help_texts = {
+            "content": "Note: Submissions in <a href='https://www.markdownguide.org/basic-syntax/'>Markdown</a> "
+                       "are strongly preferred and can be processed faster.",
+        }
 
     def clean_name(self):
         name = self.cleaned_data.get('name')