tweaks to README
tweaks to README

MarzV/CodeBreakerProject,donsolomon/CodeBreakerProject,SurabhiKumariMindtree/CodeBreakerProject,bm1216/CodeBreakerProject,SurabhiKumariMindtree/CodeBreakerProject,bm1216/CodeBreakerProject,codeschool-projects/CodeBreakerProject,SurabhiKumariMindtree/CodeBreakerProject,c-s-h-i-r/CodeBreakerProject,MarzV/CodeBreakerProject,codeschool-projects/CodeBreakerProject,pshowell23/CodeBreakerProject,c-s-h-i-r/CodeBreakerProject,donsolomon/CodeBreakerProject,pshowell23/CodeBreakerProject