#400: add typescript

[kvaithin]

Issue: #400

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PR Checklist

• [X ] Give this PR a meaningful title
• [ X] Add a link to the related issue at the top of this description (above)
• [ ] Connect this PR with the related issue via ZenHub with the button below this text box (or at the bottom of the page after the PR is created)
• [X ] Ensure your branch is up to date with the target branch and resolve any conflicts
• [X ] Answer the below questions to describe your PR for reviewers
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• [ ] Notify the requested reviewers in the #code-review Slack channel once the PR is ready for review

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Why are these changes needed?

Adding typescript to project.

What changed?

Updated dependencies to support typescript across lint and storybook and component.

How are these changes tested?

Validated via npm test and storybook.

[kvaithin]

Hi @jocelynn1uphealth, don 't see the Zenhub button mentioned in the description I'm also not part of this #code-review Slack channel. Pls do advice how I could get this work reviewed / merged. Thank.

[kvaithin]

Hi @jocelynn1uphealth pls advice if I am missing any pre requisites to getting this reviewed. Thanks. :)