added comments for the files described in the issue description

...resentationEditor/components/QuestionComponentDisplay.tsx

...tionEditor/components/answerComponents/AnswerMultiple.tsx

...tationEditor/components/answerComponents/AnswerSingle.tsx

...entationEditor/components/answerComponents/AnswerText.tsx

...ntationEditor/components/answerComponents/Description.txt

...Editor/components/slideSettingsComponents/Description.txt

...ationEditor/components/slideSettingsComponents/Images.tsx

...ditor/components/slideSettingsComponents/Instructions.tsx

...ts/slideSettingsComponents/MultipleChoiceAlternatives.tsx

...r/components/slideSettingsComponents/QuestionSettings.tsx

...ents/slideSettingsComponents/SingleChoiceAlternatives.tsx

...onEditor/components/slideSettingsComponents/SlideType.tsx