Update README.md

Author: geekbrother

README.md

@@ -1,3 +1,25 @@
-# SpringLoader
+# 🌈 SpringLoader [![npm version](https://badge.fury.io/js/spring-loader.svg)](https://badge.fury.io/js/spring-loader)
 
-Gradient spring animated loading activity indicator component for React Native
+Gradient spring animated loading activity indicator component for React Native. 
+
+The animation is created in pure [reanimated2](https://docs.swmansion.com/react-native-reanimated/) and [SVG](https://developer.mozilla.org/en-US/docs/Web/SVG).
+
+It's lightweight, made in TypeScript, and can be used in the Splash screen (unlike Lottie and Rove animations).
+
+## Showcase
+
+![alt Showcase](https://github.com/geekbrother/SpringLoader/blob/main/assets/showcase.gif)
+
+## How to use
+
+The package uses TypeScript and provides types when importing. 
+
+Add package to the React Native project by `npm i spring-loader`. 
+
+Import the `SpringLoader` component `import { AnimationTypes, SpringLoader } from 'spring-loader';`.
+
+Find a full usage example in [examples/expo-app/App.tsx](https://github.com/geekbrother/SpringLoader/blob/main/examples/expo-app/App.tsx).
+
+## Todo
+
+Implement a [Skia](https://github.com/Shopify/react-native-skia) version