Update documentation to include running locally

Author: colinrotherham

README.md

@@ -8,9 +8,9 @@ This repository contains the code for NHS.UK React components - a port of the [N
 
 [View documentation and examples](https://nhsdigital.github.io/nhsuk-react-components)
 
-## Installation
+## Install package
 
-You can install this package using either `npm` or `yarn`.
+You can install this package into your service using either `npm` or `yarn`.
 
 ```bash
 npm install --save nhsuk-react-components
@@ -41,6 +41,30 @@ import { DateInput, Form } from 'nhsuk-react-components';
 </Form>;
 ```
 
+## Development
+
+To run this project locally, set up Yarn using [Node.js corepack](https://github.com/nodejs/corepack#readme)
+
+```bash
+npm install -g corepack
+corepack enable
+yarn install
+```
+
+Then run the following:
+
+1. **Build and watch package**
+
+   ```bash
+   yarn build --watch
+   ```
+
+2. **Open documentation and examples**
+
+   ```bash
+   yarn storybook
+   ```
+
 ## Upgrading
 
 - [Upgrading to 1.0](/docs/upgrade-to-1.0.md)

stories/Welcome.mdx

@@ -9,12 +9,13 @@ NHS.UK Frontend ported to React
 [![CD Build and Publish to NPM](https://github.com/NHSDigital/nhsuk-react-components/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/NHSDigital/nhsuk-react-components/actions/workflows/release.yml)
 [![Bundle Size](https://img.shields.io/bundlephobia/minzip/nhsuk-react-components.svg)](https://bundlephobia.com/result?p=nhsuk-react-components)
 
-## Installation
+## Install package
 
-You can install this package using either `yarn` or `npm`.
+You can install this package into your service using either `npm` or `yarn`.
 
 ```bash
 npm install --save nhsuk-react-components
+
 # Or
 yarn add nhsuk-react-components
 ```