Update mobile notices with extra sentence (#1718)

Signed-off-by: Chris Abraham <[email protected]>

Author: cjyabraham

_mobile/android.md

@@ -10,7 +10,7 @@ published: true
 
 <div class="note-card">
 <h4>Note</h4>
-<p>PyTorch Mobile is no longer actively supported. Please check out <a href="/executorch-overview">ExecuTorch</a>, PyTorch’s all-new on-device inference library. </p>
+<p>PyTorch Mobile is no longer actively supported. Please check out <a href="/executorch-overview">ExecuTorch</a>, PyTorch’s all-new on-device inference library. You can also review <a href="https://pytorch.org/executorch/stable/demo-apps-android.html">this page</a> to learn more about how to use ExecuTorch to build an Android app.</p>
 </div>
 
 # Android

_mobile/ios.md

@@ -10,7 +10,7 @@ published: true
 
 <div class="note-card">
 <h4>Note</h4>
-<p>PyTorch Mobile is no longer actively supported. Please check out <a href="/executorch-overview">ExecuTorch</a>, PyTorch’s all-new on-device inference library. </p>
+<p>PyTorch Mobile is no longer actively supported. Please check out <a href="/executorch-overview">ExecuTorch</a>, PyTorch’s all-new on-device inference library. You can also review <a href="https://pytorch.org/executorch/stable/demo-apps-ios.html">this page</a> to learn more about how to use ExecuTorch to build an iOS app.</p>
 </div>
 
 # iOS