Update README.md

iOS project compilation note added

Author: sharmahdk13s

README.md

@@ -22,6 +22,15 @@ cd ..
 yarn ios
 ```
 
+## **For iOS manually swift file linking**
+- After done **pod install**.
+- Open example -> ios -> ModifierExample.xcworkspace file.
+- Expand **Pods** xcode project at left side panel in Xcode.
+- Expand **Development Pods** folder, scroll down and exapand **react-native-modifier** library pod files.
+- Now drag and drop all .swift files **AppleSignin.swift, AppleSigninButtonManager.swift, AppleSignInManager.swift, CustomEventEmitter.swift and ModifierMultiply.swift** in that folder (react-native-modifier).
+- Click on **Create Bridging header file** blue button from the popup after drag and drop swift files.
+- Now you can build (cmd+B) and run the project successfully.
+
 ## Usage
 
 
@@ -73,7 +82,6 @@ const onAppleSigning = useCallback(async () => {
  {Platform.OS == 'ios' && (<AppleSigninButton style={styles.appleButtonStyle} />)}
 ```
 
-
 ## Contributing
 
 See the [contributing guide](CONTRIBUTING.md) to learn how to contribute to the repository and the development workflow.