Fix npm WARN for missing repository field
Fix npm WARN for missing repository field

Make voting-application private to suppress npm WARN on missing repository
field.

Generic-Voting-Application/voting-application,tpkelly/voting-application,tpkelly/voting-application,stevenhillcox/voting-application,JDawes-ScottLogic/voting-application,Generic-Voting-Application/voting-application,stevenhillcox/voting-application,Generic-Voting-Application/voting-application,JDawes-ScottLogic/voting-application,tpkelly/voting-application,stevenhillcox/voting-application,JDawes-ScottLogic/voting-application