Update contents.json

[f3dm76]

Add two new exyte libraries:
https://github.com/exyte/AnimatedGradient
https://github.com/exyte/FlagAndCountryCode

• AnimatedGradient:

• https://github.com/exyte/AnimatedGradient:

• Animated linear gradient library written with SwiftUI:

• There are no such libraries in SwiftUI:

• At least 15 stars (GitHub project)

• Support Swift 5

• Updated contents.json instead of README

• Lib is fully open sourced, written in Swift and not a wrapper over compiled lib

• Description does not say "written in Swift" or variant 🤓

• FlagAndCountryCode:

• https://github.com/exyte/FlagAndCountryCode:

• FlagAndCountryCode provides phone codes and flags for every country. Works on UIKit and SwiftUI:

• Flag libraries usually only contain flag icons, this one adds phone codes too:

• At least 15 stars (GitHub project)

• Support Swift 5

• Updated contents.json instead of README

• Lib is fully open sourced, written in Swift and not a wrapper over compiled lib

• Description does not say "written in Swift" or variant 🤓

[vpeschenkov]

@f3dm76 thanks!