* WIP: pii tagging using spacy
* added test cases and changes as per comment
* fix python checkstyle
* fix python checkstyle
* added score, test_cases and docs update
* solved merge conflict
* fix python checkstyle
* remove pii tagging using regex
* fix python test
* lib changes and added some test case
* changed as per comment
* fix: python test
* fix: changes to get source_config
* fix: changes as per comment