Change the moat service URL

We need to change the Moat service URL one additional time after we switched to azure. All in all we should use the following URLs from now on:

extensions.torlauncher.moat_service https://bridges.torproject.org/moat
extensions.torlauncher.bridgedb_front ajax.aspnetcdn.com
extensions.torlauncher.bridgedb_reflector https://onionquiche.azureedge.net/

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information