updated cocoapods on readme and added to do section
updated cocoapods on readme and added to do section

benzhipeng/JHChainableAnimations,tasselx/JHChainableAnimations,davieds/JHChainableAnimations,DestroyMan/JHChainableAnimations,liric28/JHChainableAnimations,davieds/JHChainableAnimations,zwcshy/JHChainableAnimations,davieds/JHChainableAnimations,sujeking/JHChainableAnimations,yangaqi/JHChainableAnimations,jhurray/JHChainableAnimations,KBvsMJ/JHChainableAnimations,alexfeng/JHChainableAnimations,sujeking/JHChainableAnimations,zwcshy/JHChainableAnimations,benzhipeng/JHChainableAnimations,liric28/JHChainableAnimations,yangaqi/JHChainableAnimations,yangaqi/JHChainableAnimations,alexfeng/JHChainableAnimations,sujeking/JHChainableAnimations,mobdim/JHChainableAnimations,DestroyMan/JHChainableAnimations,KBvsMJ/JHChainableAnimations,jhurray/JHChainableAnimations,KBvsMJ/JHChainableAnimations,liric28/JHChainableAnimations,tasselx/JHChainableAnimations,alexfeng/JHChainableAnimations,benzhipeng/JHChainableAnimations,DestroyMan/JHChainableAnimations,jhurray/JHChainableAnimations,zwcshy/JHChainableAnimations,mobdim/JHChainableAnimations,mobdim/JHChainableAnimations,tasselx/JHChainableAnimations