Replace Bootstrap with Tailwind CSS in `index.html`

### **Description:**
Currently, the `index.html` file is using **Bootstrap** for styling. The task is to replace all Bootstrap components and styles with **Tailwind CSS** to ensure a more streamlined and utility-first approach.

### **Key Points:**
- **Remove Bootstrap**:
- Identify and remove all instances of Bootstrap from the `index.html` file.
- Bootstrap documentation reference: [Bootstrap 5.3 Docs](https://getbootstrap.com/docs/5.3/getting-started/introduction/)

- **Add Tailwind CSS**:
- Implement **Tailwind CSS** in place of Bootstrap while maintaining a consistent design and color scheme.
- Tailwind CSS documentation reference: [Tailwind CSS Docs](https://tailwindcss.com/docs/installation)

**Steps:**
1. Install and configure Tailwind CSS in the project.
2. Replace Bootstrap classes with Tailwind CSS equivalents for all components.
3. Ensure consistent **design** and **colors** with a clean and modern UI.

**Important Notes:**
- Maintain consistent design patterns to match the current look and feel.
- For any queries or clarifications, use the **#general** channel in the [Tech Bastic Discord server](https://discord.com/invite/MSRnjkHcxK) and tag @adisuyash for assistance.