Adding list of domains that need to be allowed for editor

docs/faq.md

@@ -2,4 +2,13 @@
 
 ### @description Frequently asked questions and answers from our users.
 
-Please search for solutions or open a ticket at [support.microbit.org](https://support.microbit.org)!
+## Which web sites do I need to unblock for pxt.microbit.org?
+
+This is the list of domains that need to be unblocked to allow the web editor to load:
+
+* https://pxt.microbit.org
+* https://www.pxt.io
+* https://trg-microbit.userpxt.io
+* https://pxt.azureedge.net
+
+Can't find your question? Please search for solutions or open a ticket at [support.microbit.org](https://support.microbit.org)!

docs/support.md

@@ -1,5 +1,9 @@
 # Support
 
-Send us your feedback and ideas on our [User Voice Forum](https://touchdevelop.uservoice.com/forums/402381-code-the-micro-bit/).
+Use the Microbit Foundation [support web site](https://support.microbit.org)!
+
+You can also read the [Frequently Asked Questions](/faq).
+
+## Developers
 
 You can also use our [GitHub issue tracker](https://github.com/microsoft/pxt-microbit) to report bugs.