docs: Mirai basic documentation

[divyanshub024]

Description

This PR introduces comprehensive documentation for Mirai, covering the following sections:

1. Getting Started with Mirai: A step-by-step guide to help users begin their journey with Mirai.
2. Why Mirai?: An overview of the benefits and unique features that set Mirai apart.
3. Core Concepts: Detailed explanations of the fundamental principles underlying Mirai.
4. Mirai Widget Parsers: Documentation on various widget parsers, currently focusing on the Container widget, with more to be added in future updates.

Note

Please note that the documentation for Mirai widget parsers is currently limited to the Container widget. Documentation for additional widgets will be added in separate, upcoming pull requests.

Related Issues

Issue #13

Type of Change

• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to change)
• Code refactor
• Build configuration change
• Documentation
• Chore