Fixed Package and added following features -

- Added zipFileHandler class
- Added ExtractedDataValidator class
- Added unit test cases
- Updated README.md file

Author: sujata-m

.gitignore

@@ -20,6 +20,7 @@ parts/
 sdist/
 var/
 wheels/
+pip-wheel-metadata/
 share/python-wheels/
 *.egg-info/
 .installed.cfg
@@ -49,7 +50,6 @@ coverage.xml
 *.py,cover
 .hypothesis/
 .pytest_cache/
-cover/
 
 # Translations
 *.mo
@@ -72,7 +72,6 @@ instance/
 docs/_build/
 
 # PyBuilder
-.pybuilder/
 target/
 
 # Jupyter Notebook
@@ -157,4 +156,4 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/