Add: Mobile Frameworks

Summary:
Adding existing mobile framework implementations

hansemannn jpgarcia fine for you?

would fix #30
Closes #81

Differential Revision: D4368496

Pulled By: lozzle

fbshipit-source-id: f9d63e89037d4e0dd59d4a76c1ba535b7c4b3276

Author: m1ga

README.md

@@ -151,6 +151,15 @@ kfDrawable.stopAnimation();
 kfDrawable.stopAnimationAtLoopEnd();
 ```
 
+### Mobile Frameworks
+Existing implementations for mobile frameworks:
+
+| Framework             | Platform    | Author          | Link                                                            |
+|-----------------------|-------------|-----------------|-----------------------------------------------------------------|
+| Appcelerator Titanium | iOS         | [Hans Knoechel](https://github.com/hansemannn/)   | https://github.com/hansemannn/ti.keyframes                      |
+| Appcelerator Titanium | Android     | [Michael Gangolf](https://github.com/m1ga/) | https://github.com/m1ga/ti.keyframes                            |
+| React Native          | Android/iOS | [Underscope](https://github.com/underscopeio/)      | https://github.com/underscopeio/react-native-facebook-keyframes |
+
 ## Understanding Keyframes Model Objects
 
 ### **Image**