chore(tauri): update documentation for home_dir on iOS (#14121)

* chore(tauri): update documentation for home_dir on iOS

ref #12497

* update

Author: lucasfernog

crates/tauri/src/path/android.rs

@@ -174,6 +174,7 @@ impl<R: Runtime> PathResolver<R> {
   /// - **Linux:** Resolves to `$HOME`.
   /// - **macOS:** Resolves to `$HOME`.
   /// - **Windows:** Resolves to `{FOLDERID_Profile}`.
+  /// - **iOS**: Cannot be written to directly, use one of the app paths instead.
   pub fn home_dir(&self) -> Result<PathBuf> {
     self.call_resolve("getHomeDir")
   }

crates/tauri/src/path/desktop.rs

@@ -149,6 +149,7 @@ impl<R: Runtime> PathResolver<R> {
   /// - **Linux:** Resolves to `$HOME`.
   /// - **macOS:** Resolves to `$HOME`.
   /// - **Windows:** Resolves to `{FOLDERID_Profile}`.
+  /// - **iOS**: Cannot be written to directly, use one of the app paths instead.
   pub fn home_dir(&self) -> Result<PathBuf> {
     dirs::home_dir().ok_or(Error::UnknownPath)
   }