v2.0.0

What's Changed

• adding final few improvements by @Salmandabbakuti in #5

• Fix background color on large screens
• Add a demo video
• add a few more chains(bnb, avalanche, celo)
• Make editor to have a fixed height, prefill basic contract default like how Openzeppelin has
• Try Editor code colors
• Autogenerate code on options change(except, name symbol)

Full Changelog: v1.1.0...v2.0.0