added the framework for liking/disliking an article
Merge branch 'mainline' of github.com:Nishant-Pathak/roadtofreedom into mainline
adding error logic
Correcting some changes related to error codes and like unlike framework
Merge pull request #9 from Nishant-Pathak/mainline

Frame work for adding the framework for linking disliking articles, Framework for adding error codes Done