Added FAQ

FAQ.md

@@ -133,6 +133,7 @@ FairEmail follows all the best practices for an email client as decribed in [thi
 * [(72) What are primary accounts/identities?](#user-content-faq72)
 * [(73) Is moving messages across accounts safe/efficient?](#user-content-faq73)
 * [(74) Why do I see duplicate messages?](#user-content-faq74)
+* [(75) Can you make an iOS, Windows, etc version?](#user-content-faq75)
 
 [I have another question.](#support)
 
@@ -1182,6 +1183,16 @@ This means that messages with multiple labels will be shown multiple times as we
 
 Since there is not really an original message because it is in fact just the same message, it is not really possible to show just one message.
 
+<br />
+
+<a name="faq75"></a>
+**(75) Can you make an iOS, Windows, etc version?**
+
+I develop apps for Android only.
+
+<br />
+
+
 ## Support
 
 If you have another question, want to request a feature or report a bug, you can use [this forum](https://forum.xda-developers.com/android/apps-games/source-email-t3824168).