feat: initialize pillarbox web suite with plugin scaffolding

[jboix]

Description

Sets up the foundational structure for the Pillarbox Web Suite, providing an npm workspace with customizable plugins for pillarbox-web.

Changes Made

• Configured package.json with necessary dependencies and workspace definitions for plugins.
• Included scripts for creating plugins (create:plugin) leveraging plop configurations.
• Set up ESLint and StyleLint for code quality, and Jest for testing.
• Integrated Rollup and Babel for building plugins.
• Utilized Husky to enforce linting pre-commits to maintain conventional commits standard.

Checklist

• [x] I have followed the project's style and contribution guidelines.
• [x] I have performed a self-review of my own changes.
• [x] I have made corresponding changes to the documentation.
• [x] I have added tests that prove my fix is effective or that my feature works.