Update iOS configuration documentation

permission_handler/README.md

@@ -66,8 +66,10 @@ You must list permission you want to use in your application :
    ```ruby
    ```ruby
    post_install do |installer|
    post_install do |installer|
      installer.pods_project.targets.each do |target|
      installer.pods_project.targets.each do |target|
+       ... # Here are some configurations automatically generated by flutter
+  
+       # Start of the permission_handler configuration
        target.build_configurations.each do |config|
        target.build_configurations.each do |config|
-         ... # Here are some configurations automatically generated by flutter
    
    
          # You can enable the permissions needed here. For example to enable camera
          # You can enable the permissions needed here. For example to enable camera
          # permission, just remove the `#` character in front so it looks like this:
          # permission, just remove the `#` character in front so it looks like this:
@@ -122,7 +124,8 @@ You must list permission you want to use in your application :
            # 'PERMISSION_CRITICAL_ALERTS=1'
            # 'PERMISSION_CRITICAL_ALERTS=1'
          ]
          ]
   
   
-       end
+       end 
+       # End of the permission_handler configuration
      end
      end
    end
    end
    ```
    ```