Update Readme

Author: akajla09

README.md

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 # @warrantdev/react-warrant-js
 
 [![npm](https://img.shields.io/npm/v/@warrantdev/react-warrant-js)](https://www.npmjs.com/package/@warrantdev/react-warrant-js)
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 ## Overview
 The Warrant React library provides components, hooks, and helper methods for controlling access to pages and components in React using [Warrant](https://warrant.dev/). The library interacts directly with the Warrant API using short-lived session tokens that must be created server-side using your API key. Refer to [this guide](https://docs.warrant.dev/guides/creating-session-tokens) to see how to generate session tokens for your users.