Update readme

README.md

@@ -22,6 +22,7 @@ A Chrome/Firefox extension that simplifies following and post interactions on ot
 ## Navigation
   * [Installation](#installation)
   * [Setup](#setup)
+  * [FAQ](#faq)
   * [Screenshots / GIFs](#screenshots--gifs)
   * [Manual installation](#manual-installation)
       * [Install in Firefox for Android](#install-in-firefox-for-android)
@@ -61,6 +62,10 @@ If enabled, your muted/blocked users/instances are synced every minute, so chang
 
 **Please read the [additional notes](#additional-notes).**
 
+## FAQ
+**Why does it need permission for all websites?**  
+The addon needs to determine if the site you are currently browsing is a Mastodon instance or not. For that matter, it requires access to all sites. Otherwise, each existing Mastodon instance would have to be explicitly added.
+
 ## Screenshots / GIFs
 v0.8.0
 <details>
@@ -123,6 +128,8 @@ I included all of the default add-ons in the custom collection, so you will not
 5. If the extension fails to resolve content, the affected buttons will behave like usually (popup modal)
 
 ## Todos / Planned features 
+- Support for Safari
+- Check if user is logged in on the external instance as well
 - Support for poll votes
 - Update settings in content script without page reload
 - Improve handling of irrelevant errors