utils/mm_encryption_file library

1. mm_utils package
2. documentation
3. utils/mm_encryption_file.dart

mm_utils package

1. Libraries
2. mm_utils
3. model/master_response_class
4. utils/int_extensions
5. utils/mm_common
6. utils/mm_constant
7. utils/mm_encryption_file
8. utils/mm_network_utils