Build a Vue.js E-book Reader

# Introduction

In this project, you will learn how to build a simple e-book reader using Vue 2.x. The e-book reader will allow users to toggle the visibility of the header toolbar, set the reading theme, and adjust the font size of the text content.

## 👀 Preview


## 🎯 Tasks

In this project, you will learn:

- How to implement the toggle of the header toolbar's visibility
- How to implement the setting of the reading theme
- How to implement the setting of the font size

## 🏆 Achievements

After completing this project, you will be able to:

- Use Vue.js to create interactive user interfaces
- Handle user interactions and update the UI accordingly
- Dynamically style elements based on user preferences
- Ensure the application remains responsive and accessible