[DOCS] Addition in Readme.md file

[DivyanshiNarang]

Description

Addition of official documentation link of Typescript, Javascript, and Css3 that will help new contributors accessing official documentation.

Screenshots

Additional information

@nawed2611 Please assign this issue to me under gssoc23.

[github-actions]

Hello DivyanshiNarang, thanks for opening a issue, your contribution is valuable to us. The maintainers will review this issue and provide feedback as soon as possible.