add subscribers chapter with ToDo

Author: MrTango

docs/backend/index.md

@@ -30,6 +30,7 @@ global-utils
 portal-actions
 users-groups
 security
+subscribers
 traversal-acquisition
 workflows
 search

docs/backend/subscribers.md

@@ -0,0 +1,19 @@
+---
+myst:
+  html_meta:
+    "description": ""
+    "property=og:description": ""
+    "property=og:title": "Subscribers (event handlers)"
+    "keywords": ""
+---
+
+(backend-subscribers-label)=
+
+# Subscribers (event handlers)
+
+
+
+```{todo}
+take over content rom here: https://docs.plone.org/external/plone.app.dexterity/docs/advanced/event-handlers.html and https://docs.plone.org/develop/addons/components/events.html
+```
+

docs/classic-ui/forms.md

@@ -198,7 +198,7 @@ In your configure.zcml:
       for="Products.CMFCore.interfaces.IFolderish
            example.contenttypes.interfaces.IExampleContenttypesLayer
            plone.dexterity.interfaces.IDexterityFTI"
-      name="TechnicalFacility"
+      name="Technical Facility"
       />
 
   <class class=".custom_forms.CustomAddView">