Add an /avatars/#UserId route which redirects to the user's current avatar every time, so you don't need to update remote references to it

src/Application.hs

@@ -48,6 +48,7 @@ import System.Log.FastLogger                (defaultBufSize, newStdoutLoggerSet,
 
 -- Import all relevant handler modules here.
 -- Don't forget to add new modules to your cabal file!
+import Handler.Avatars
 import Handler.Common
 import Handler.Entries
 import Handler.Feed