Add instructions on how to run a release version

README.md

@@ -42,6 +42,8 @@ npx react-native run-ios --simulator="iPhone 13"
 
 #### Real device
 
+##### Debug mode
+
 To run this application in a real ios device, you need to run:
 
 ```sh
@@ -52,6 +54,14 @@ npm install -g ios-deploy
 npx react-native run-ios --device "iPhone de TDJ"
 ```
 
+###### Release mode
+
+To run a release version of this application in a real ios device, you need to run:
+
+```sh
+npx react-native run-ios --configuration Release --device "iPhone de TDJ"
+```
+
 #### Open project in XCODE
 
 To change native code, you can run this command: