Update ios_application links on the ios tutorial page to link to ios'…

… documentation overview page. Once external md links aren't converted to html links, these should link directly to the https://github.com/bazelbuild/rules_apple/blob/master/doc/rules-ios.md#ios_application.

RELNOTES: none
PiperOrigin-RevId: 245139187

site/docs/tutorial/ios-app.md

@@ -154,7 +154,8 @@ Bazel provides several build rules that you can use to build an app for the
 iOS platform. For this tutorial, you'll first use the
 [`objc_library`](../be/objective-c.html#objc_library) rule to tell Bazel
 how to build a static library from the app source code and Xib files. Then
-you'll use the [`ios_application`](https://github.com/bazelbuild/rules_apple)
+you'll use the
+[`ios_application`](https://github.com/bazelbuild/rules_apple/tree/master/doc)
 rule to tell it how to build the application binary and the `.ipa` bundle.
 
 **NOTE:** This tutorial presents a minimal use case of the Objective-C rules in
@@ -180,8 +181,9 @@ Note the name of the rule, `UrlGetClasses`.
 
 ### Add an ios_application rule
 
-The [`ios_application`](../be/objective-c.html#ios_application) rule builds
-the application binary and creates the `.ipa` bundle file.
+The
+[`ios_application`](https://github.com/bazelbuild/rules_apple/tree/master/doc)
+rule builds the application binary and creates the `.ipa` bundle file.
 
 Add the following to your `BUILD` file: