Add dataset copy and move functionality

[savindi-wijenayaka]

Description:

Add functionality to copy or move data from a source directory to a primary directory of a SDS framework-based directory structure.

Related issue(s):

#20

Test Environment:

Ubuntu 20.04
Python 3.9.12

[savindi-wijenayaka]

Future Work:

1. Change print to log (Repository-wide enhancements #29)
2. Pandas DataFrame.append future warning on depricating (DataFrame.append to be replaced with DataFrame.concat #30 )
3. Change Docstring style from spinx to Google or PEP257. Can use auto generators like AutoDocstring (Repository-wide enhancements #29)

[chinchien-lin]

Hi @savindi-wijenayaka ,

I just uploaded some test daata in the "./test_data" folder, would you be able to use it and update your example so that we can all test it?

[PrasadBabarendaGamage]

Hi @savindi-wijenayaka Chinchien and I were looking through your example and noticed that:

1. the data was not being moved to the dataset folder (primary)
2. it seemed that a folder is requested from the user, just clarifying whether all the contents in that folder will be moved to the appropriate subject/sample folder in the primary folder? If so, please update the test data folder/files to help with demonstrating that (I think at the moment both samples are in a subject folder - we would just need to put the test data in something like: input_data_path = test_data/primary/subject1/sample1/ and a subject1/sample2/dummy.txt folder, and then provide