Design: Create Calc page and Quizz page

Content Link

Clacl Link:https://docs.google.com/document/d/1LOSkWApoo6v0eFgFREYZvC_HmJPKAxa1SqZmn41znIE/edit?usp=sharing

Quiz link : https://docs.google.com/document/d/1nlgE3TCUm_pFOJptp1_IwEWHEu3JRhzteMXPo8cCEhU/edit?usp=sharing