v0.4.0

• Add support for multiple toast containers (#18)
• Add support for removal of multiple toasts (#20)
• Accept object as first param for pop() and set()
• Add types field into package.json (#17)
• Improve ts definitions for intro property (#19)
• Enable tailwindcss JIT mode for demo docs
• Update dependencies
• And finally (as we add more features) setup some tests to catch regressions