Implement Entity Component in React + TS

[harsh3dev]

This PR solves issue #54
This is how the project structure looks now:

Overview

• The EntityExampleComponent.tsx is a temporary example component that displays the card and can be used as an example on how to use this component.
• This EntityExampleComponent.tsx shall be deleted later when the routing of the frontend is setup using React-Router.

Card Component (src/components/Card.tsx)

• The main component is src/components/Card.tsx which accepts few props.

• It displays information relevant to the props passed so that each page renders relevant details.

• For tooltip I have used react-tooltip package.

• The types and constants are exported from separate files.

• Also added dark mode and light mode functionality

• Using variables for colors in Tailwind CSS for consistency in styling.

Refer to this video for a quick look at the output:
https://www.loom.com/share/2e5be837be864bfcb5d02dff9ba5af17?sid=e87e552f-3ac4-4714-91da-04c4b5772d2c