docs(readme): fix typo
docs(readme): fix typo
MarianCristian/quiz-engine,RoxanaAnghel/quiz-engine,MarianCristian/quiz-engine,MarianCristian/quiz-engine,RoxanaAnghel/quiz-engine,RoxanaAnghel/quiz-engine,QubizSolutions/quiz-engine,MarianCristian/quiz-engine,QubizSolutions/quiz-engine,QubizSolutions/quiz-engine,RoxanaAnghel/quiz-engine,MarianCristian/quiz-engine,QubizSolutions/quiz-engine,RoxanaAnghel/quiz-engine,QubizSolutions/quiz-engine