[Feature] - Play animation from -> to Markers

## 🚀 Feature Requests

Is there roadmap to include feature of running animations with `marker`s in Xamarin forms SDK?

Reference : https://swiftsenpai.com/development/lottie-animation-markers/#:~:text=What%20is%20a%20Marker%3F%20Marker%20is%20a%20way,use%20it%20to%20navigate%20to%20a%20specific%20location.

I see its being supported in native SDKs [lottie-ios](https://github.com/airbnb/lottie-ios/blob/master/lottie-swift/src/Public/Animation/AnimationView.swift#L356) and [lottie-android](https://github.com/airbnb/lottie-ios/blob/master/lottie-swift/src/Public/Animation/AnimationView.swift#L356)

### Platforms affected (mark all that apply)
- [ ] :iphone: iOS
- [ ] :robot: Android
- [ ] :checkered_flag: WPF
- [ ] :earth_americas: UWP
- [ ] :apple: MacOS
- [ ] :tv: tvOS
- [x] :monkey: Xamarin.Forms

Start by reading the Xamarin.Forms SDK animation API and the linked lottie-ios and lottie-android marker support. Compare how marker-based playback is exposed by the native SDKs and define the Xamarin.Forms behavior and platform coverage required; done means animations can be played between named markers in Xamarin.Forms.

Written by the indexing model from the issue text.