controllers/error_handler/error_handler library

1. api_sentinel package
2. documentation
3. controllers/error_handler/error_handler.dart

api_sentinel package

1. Libraries
2. api_sentinel
3. controllers/api_service
4. controllers/debug_overlay/debug_interceptor
5. controllers/debug_overlay/debug_log_controller
6. controllers/error_handler/error_handler
7. global_configs
8. models/debug_log_entry
9. models/failure
10. models/webService/data_source
11. models/webService/response_code
12. models/webService/response_message
13. screens/debug_page
14. screens/json_full_screen_view
15. widgets/debug_overlay_widget
16. widgets/json_tree_view
17. widgets/pretty_json_view
18. widgets/search_input_field