Fix react-native-gesture-handler dep

Author: DanielRiera

docs/pages/installation.mdx

@@ -3,11 +3,11 @@
 Install the ActionSheet with `yarn` or `npm`. You will also need to install `react-native-gesture-handlers` if you haven't already.
 
 ```fish
-npm install react-native-actions-sheet react-native-gesture-handlers --save
+npm install react-native-actions-sheet react-native-gesture-handler --save
 ```
 
 or
 
 ```fish
-yarn add react-native-actions-sheet react-native-gesture-handlers 
+yarn add react-native-actions-sheet react-native-gesture-handler 
 ```