Added scripted diagrams

.github/scripts/gen_overview.py

@@ -21,6 +21,7 @@
     'script_resources': 'How to access binary data of your App (resources)',
     'scripted_actuals': 'Building custom actual elements with Python code',
     'scripted_checks': 'Building custom checks with Python code',
+    'scripted_diagrams': 'Creating custom diagrams',
     'projects': 'ZEISS INSPECT projects'
 }