Added FAQ

FAQ.md

@@ -236,6 +236,7 @@ FairEmail follows all the best practices for an email client as decribed in [thi
 * [(134) Can you add deleting local messages?](#user-content-faq134)
 * [(135) Why are trashed messages and drafts shown in conversations?](#user-content-faq135)
 * [(136) How can I delete an account/identity/folder?](#user-content-faq136)
+* [(137) How can I reset 'Don't ask again'?](#user-content-faq137)
 
 [I have another question.](#user-content-support)
 
@@ -2314,6 +2315,13 @@ In the three-dots overflow menu at the top right there is an item to delete the
 
 <br />
 
+<a name="faq137"></a>
+**(137) How can I reset 'Don't ask again'?**
+
+You can reset all questions set to not to be asked again in the three-dots overflow menu of the miscellaneous settings.
+
+<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).