chore: scaffolding

[kieranroneill]

Description

• Create monorepo.
• Add initial scaffolding:
  • Add editorconfig
  • Add COPYING license.
  • Add CONTRIBUTING.md.
  • Add husky, commitlint and prettier.
• Add contract package with basic hello world contract.
• Add js-client package.
• Add PR checks workflow.
• Add release workflow.

Type of change

• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 🏗️ Build configuration (CI configuration, scaffolding etc.)
• 🐛 Bug fix (non-breaking change which fixes an issue)
• 📝 Documentation update(s)
• 📦 Dependency update(s)
• 👩🏽‍💻 Improve developer experience
• ⚡ Improve performance
• ✨ New feature (non-breaking change which adds functionality)
• ♻ Refactor
• ⏪ Revert changes
• 🧪 New tests or updates to existing tests