Update documentation

Changes:

• Update shrink() method documentation.
• Update bundles.

Fix top padding in method `padding(top, left, bottom, right)`

Fix top padding in method padding(_ top: CGFloat, _ left: CGFloat, _ bottom: CGFloat, _ right: CGFloat)

• Added by Luc Dion in Pull Request #107

Add cocoapods c++ library dependency

Add cocoapods c++ library dependency to the podspec file. Required to avoid possible linking errors.

• Added by Antoine Lamy in Pull Request #103

Removed the unsupported alignItems `.baseline` mode

Removed alignItems .baseline mode which is not currently supported by Yoga. So we remove it from the list of supported mode until Yoga support it.

• Added by Luc Dion in Pull Request #94

Add `display(:Display)` method

Add display(:Display) method to set the Yoga's display property.
Added by cielpy in Pull Request #87

Upgrade to Swift 4.1

Upgrade to Swift 4.1
* Added by Luc Dion in Pull Request #85

Update the Podspec minimum iOS platform to 8.0

Update the Podspec minimum iOS platform to 8.0

• Added by Luc Dion in Pull Request #78

Add justifyContent mode `spaceEvenly` + Flex view's getter is public

• Add supports for spaceEvenly justifyContent mode

  • Added by Luc Dion in Pull Request #66

• Flex view's getter is public once again.

  • Added by Alexander Guschin in Pull Request #68

Fix retain cycle

• Fix retain cycle
  • Now Flex's hosting view is kept using a weak reference.
  • Fixed by Alexey Zinchenko in Pull Request #64

Fix Yoga's rounding issues

Fix Yoga's rounding issues

• Integer truncation of sizes calculated by sizeThatFits:, and utility functions. Introduced by Obj-C -> Obj-C++ conversion in previous PR
• Low coordinate rounding threshold, which results in flooring apparently valid values. Layout becomes very wrong with absolute coordinate values larger than 100 and having pointScaleFactor set to 3.
• Added by Alexey Zinchenko in Pull Request #63