feat: adds quiz app

Signed-off-by: Anthony D. Mays <[email protected]>

Author: anthonydmays

lib/typescript/codedifferently-instructional/src/index.ts

@@ -2,4 +2,5 @@ export {AnswerChoice} from './answer_choice.js';
 export {MultipleChoiceQuizQuestion} from './multiple_choice_quiz_question.js';
 export {QuizQuestion} from './quiz_question.js';
 export {QuizPrinter} from './quiz_printer.js';
-export {QuizConfig} from './quiz_config.js';
+export {QuizConfig} from './quiz_config.js';
+export {QuizQuestionProvider} from './quiz_question_provider.js';