feat: Migrate Docs to Docusaurus

[adiati98]

Linked Issue

Closes #454

Description

This PR moves our documentation to Docusaurus for easy access and better maintenance. It holds below changes:

• Install and use latest version of Docusaurus
• Use pnpm for consistency with vcio website
• Move all documentation to the docs folder
• Restructure and rename some files and folders for consistency (previously some folders and files used capital letters and underscores) and clarity
• Change some h1 to clarify the contents
• Remove Table of Contents (TOC) as it's provided by Docusaurus
• Change GitHub to Docusaurus admonitions

Screen Recording

How to Test Locally

1. Pull this branch (feat/migrate-to-docusaurus) to your local machine
2. Run pnpm install to install dependencies
3. Run pnpm start to run Docusaurus

⚠️ Special Notes

• This PR doesn't change any content of existing docs
• The README in the docs folder is a duplication from existing README with adjusted links
• The keywords in the front matter are generated and haven't been adjusted
• The old docs are included in the comment in the sidebar.js in case we need it.

We will create separate issues for any changes regarding the above matters to make sure this PR is not going out of the issue's scope.

Methodology

Code of Conduct

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