Ugh. Add missing isAuthorized clause for the new keybase.txt route

src/Foundation.hs

@@ -131,6 +131,7 @@ instance Yesod App where
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized HomeR _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
+    isAuthorized KeybaseR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized
     isAuthorized (StaticR _) _ = return Authorized