extensions/map_extension library

1. flutter_fit_utils package
2. documentation
3. extensions/map_extension.dart

flutter_fit_utils package

1. Libraries
2. extensions/bool_extension
3. extensions/double_extension
4. extensions/index
5. extensions/int_extension
6. extensions/list_extension
7. extensions/map_extension
8. extensions/modelable_extension
9. extensions/num_extension
10. extensions/string_extension
11. flutter_fit_utils
12. model/generic_model
13. model/model
14. model/modelable
15. repositories/index
16. repositories/mock_repository
17. repositories/repository
18. repositories/where
19. services/index
20. services/service