Lots of improvements in this release!

• Introducing a new, simplified syntax for Orbit
• Replaced single thread dispatcher with Dispatchers.Default
• Documentation improvements
• Package restructuring
• Test improvements

📣 BREAKING CHANGES 📣

• Moved some classes to other packages, reimporting needed
• Removed deprecated APIs (in particular, Stream and its associated extension functions)
  • In order to observe the state and side effects use Container.stateFlow and Container.sideEffectFlow. Do not convert the flows to LiveData due to numerous observed issues.