Added typings according to documentation

Author: jackHedaya

index.d.ts

@@ -0,0 +1,45 @@
+export type AnimatedLoaderProps = {
+  /**
+   * Controls the visibility of the loader.
+   * @defaultValue false
+   */
+  visible: boolean
+
+  /**
+   * Changes the color of the overlay.
+   */
+  overlayColor: string
+
+  /**
+   * The source of animation. Can be referenced as a local asset by a string, or remotely with an object with a uri property, or it can be an actual JS object of an animation, obtained (for example) with something like  `require('../path/to/animation.json')`.
+   */
+  source: object | string | { uri: string }
+
+  /**
+   * The speed the animation will progress.
+   * @defaultValue 1
+   */
+  speed: number
+
+  /**
+   * A boolean flag indicating whether or not the animation should loop.
+   * @defaultValue true
+   */
+  loop: boolean
+
+  /**
+   * Changes animation on show and hide loader's view.
+   */
+  animationType: any
+
+  /**
+   * The style to be applied to the Lottie.
+   */
+  animationStyle: import('react-native').StyleProp<
+    import('react-native').ViewStyle
+  >
+}
+
+export default function AnimatedLoader(
+  props: AnimatedLoaderProps
+): JSX.Element