Update original package url and fix module name in readme

Author: MoOx

CHANGELOG.md

@@ -8,7 +8,7 @@
 ## 3.0.0 - 2020-07-20
 
 - Web support, see
-  <https://github.com/react-native-community/react-native-slider/releases>
+  <https://github.com/callstack/react-native-slider/releases>
 - reason-react-native 0.62
 - bs-platform 7.3
 

README.md

@@ -5,17 +5,17 @@
 [![Chat](https://img.shields.io/discord/235176658175262720.svg?logo=discord&colorb=blue)](https://reason-react-native.github.io/discord/)
 
 [ReScript](https://rescript-lang.org) / [Reason](https://reasonml.github.io) bindings for
-[`@react-native-community/slider`](https://github.com/react-native-community/react-native-slider).
+[`@react-native-community/slider`](https://github.com/callstack/react-native-slider).
 
-Exposed as `ReactNativeSomething` module.
+Exposed as `ReactNativeSlider` module.
 
 `@reason-react-native/slider` X.y.\* means it's compatible with
 `@react-native-community/slider` X.y.\*
 
 ## Installation
 
 When
-[`@react-native-community/slider`](https://github.com/react-native-community/react-native-slider)
+[`@react-native-community/slider`](https://github.com/callstack/react-native-slider)
 is properly installed & configured by following their installation instructions,
 you can install the bindings: